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  For Teresa, for everything

  All things come to an end.

  No, they go on forever.

  —Ruth Stone, “Train Ride”

  Île de la Cité, Paris

  2019

  PROLOGUE

  The fire peels Notre-Dame like an illuminated manuscript soaked in water, its layers separating, releasing their secrets. The roof and spire catch, lead cladding spilling down limestone walls. Eight hundred years become liquid silver.

  Inside, the medieval attic nicknamed “la Forêt”—“the Forest”—groans under flame, then shatters. The spire twists and falls, puncturing the heart of the vault floor below. Yet even as the ancient beams burn on, carpenter’s symbols become visible on them, tool marks hidden since the twelfth century—adze cuts, saw patterns, perfect joints. In the domed web of the ceiling, acoustic chambers emerge like loosed birds. Hollow spaces shaped to catch and amplify chants and whispers. Iron clamps tumble, each recalling a builder’s quest to defy gravity, to reach beyond the possible.

  Later, in the still-smoldering ruins, researchers will find more intimate human traces: names and fingerprints left in ancient mortar. A pilgrim’s scratched prayer in a corner stone. A mason’s hidden rendering of his daughter’s face. Measured marks showing how each stone was cut, but also hesitation, correction, the yearning, imperfect moments between the dream of beauty and its execution.

  And when the embers finally cool and the last of the smoke lifts, a conservator sifting through debris uncovers one last secret: a shard of pigmented glass no larger than a coin. She holds it to the light, frowning at its unusual shade. A sheer but concentrated blue that is neither cobalt nor lapis. Not the midnight blue of Chartres, but something more distilled and diaphanous, like the place where the sea meets the sky.

  Perhaps it was part of an abandoned design or lost restoration, she thinks. For now, a mystery. As she sets it in the preservation box for further study, her eye catches on something etched into one corner, faint but unmistakable. A tiny bird, wings spread wide in flight. Not a formal heraldic design, but something ordinary and intimate—a swift or swallow hand drawn for inexplicable reasons.

  Closing the box, she marks its location on the cathedral’s floor plan. Tomorrow she will catalog, measure, analyze. But tonight, as she walks home along the Seine, the river’s dark current reflecting city lights where it once mirrored medieval torches, she thinks about her grandfather. The stories he used to tell her about the tunnels and catacombs beneath the streets of Paris. How revolutionaries and refugees left signs for one another, symbols of birds carved into the limestone to help guide them through the dark to hard-won freedom.

  She only ever half believed him but now begins to wonder if this small shard of glass—like the cathedral itself—might carry the past and the future inside it, curled like breath. Not just a fragment, but a thread, a doorway.

  What burns can still tell its story. What breaks can be remade. But what endures unchanged through fire might just carry the most powerful secret of all—that what seems like an ending is instead a beginning. Waiting there among the ashes to be found.

  Saint-Marcel, Paris

  1664

  CHAPTER 1

  The scarlet fabric burns against Alouette’s palm: crushed pomegranate, wet cherry heart, forbidden as spilled blood. In the gray hours before dawn, its color is relentless, casting off the shadows. Even the rough walls of their two-room cottage seem to draw closer, as if pulled by its radiance.

  She should put it back. A dutiful daughter would return it to her father’s recipe book before he wakes, but she doesn’t move. Something in her refuses to yield—a quiet defiance that has been growing stronger with each passing season. She traces the dye-drenched weave with her fingertips, not just admiring its beauty but determined to unlock its mysteries.

  Outside, the village of Saint-Marcel stirs like a beast waking, its soot-blackened houses crouched along the banks of the Bièvre. The river slides past, thick with dye runoff, factory waste, and the slick remnants of tanneries. It’s black as ink, choking the early air with its stench.

  The Bièvre isn’t anything like the Seine. It’s not a river for poets or queens. It’s a worker’s river, a whore’s river. But it is also a river of power. Below its poisoned surface lies an alchemy of minerals, the last remnants of the deep past, when all of France lay beneath a warm, shallow sea.

  As much as she hates the filth of the Bièvre, Alouette can also see a flicker of possibility. While the guild masters hoard their knowledge behind high walls, the river offers its secrets freely to anyone patient enough to listen. Anyone stubborn enough to resist the rules that bind women like her to numbing lives of labor and service to others. She’s collected those secrets one by one, kept them close like hidden treasures no one can take from her, knowing that no matter what others see, the river can still work surprising magic. Magic powerful enough perhaps—perhaps—to change her life.

  * * *

  THE SCARLET IN Alouette’s hand does not belong to her or to her father, though he is one of the most talented master dyers at the Gobelin dyeworks. By law, and by birth, members of nobility alone own the right to wear such color, the clergy to sanctify it, the Gobelins to control its making. Even her father’s mastery, hard-earned as it is, belongs to the guild, locked away in ledgers and palaces where guild wardens like Monsieur Laferrière decide who may create and who must simply serve.

  France enforces its sumptuary laws with precision. Alouette’s own clothes, coarse and dull, mark her station—the colors of toil, of silence. What would it feel like to wear scarlet or gold openly, boldly, she has always wanted to know, for all the world to see? For beauty to be hers, not just made by her hands but claimed by them?

  She tucks the fabric into her sleeve. Her father will create another. This one is hers.

  * * *

  THE FIRST BUCKET breaks the river’s surface. Its foul odor attacks her nostrils—rotting vegetation, dye runoff, and something even more rancid that she’d rather not name. Backbreaking for anyone, the work is doubly so for an eighteen-year-old girl, slight as a willow branch. Alouette’s muscles strain as she fixes the sloshing buckets to her wooden yoke, a sharp pain lancing through her lower spine. And yet no one is on hand to help lighten her burden. No one is coming to save her.

  Others appear through the morning haze, their own yokes creaking. They give her a wide berth—a madwoman’s daughter. Their whispers trail like smoke: how she has her mother’s quick hands, the same way of singing to herself as she works. What they don’t say is worse. How Henriette, too, began by staring into the river’s depths, searching for something no one else could see, until the searching consumed her.

  If Alouette had been born a son, she would be apprenticed to her father, René Voland, encouraged to rise as he has through the ranks of the guild to master dyer. Instead, she hauls water, scours wool. At the river’s edge, she pauses. Through the lingering miasma, the Gobelin estate sits behind a high wall that seals off the family from the wretchedness that surrounds them. Bisque-colored turrets thrust into the sky like a hard, clean slap of fortune and refinement. Two stone lions guard the gate, their empty eyes fixed on their domain.

  Later, in the washing room, steam rises in choking clouds as she pours her load into the great vat atop the furnace. Each pound of wool requires ten gallons of water heated to scalding. The coarse skeins are greasy to the touch, matted with dirt and lanolin. She works them with practiced care—too much agitation and they’ll felt. Gray-brown bubbles form on the surface, building to an oily sheen.

  And there, in that most unlovely of mirrors, she catches a glimpse of herself and frowns. At eighteen, she has a face that is thin and careworn, her pale gray eyes red-rimmed from the acrid fumes. Only her hair might be considered pretty, she thinks, a deep shade of russet that she wears in thick braids coiled and pinned at the base of her neck. Her mother’s hair—the one thing apart from stigma that she left Alouette before vanishing from the village twelve years ago.

  What could her mother have been thinking, Alouette often wonders, to choose a name that means “skylark” while understanding full well how fettered and grueling her daughter’s life would be? Could she be any less like a bird if she lived at the bottom of the sea? With no talent for singing or any reason to try? A lark can travel anywhere. But Alouette has never been free.

  “Girl.” Madame Poirier’s voice pricks like a needle. “You’re falling behind.” The overseer stands in the doorway, her silhouette stark through the haze of steam. Even her drab brown dress seems to reprimand, to remind them of their place.

  Alouette’s fingers clench beneath the water’s surface. “The wool needs gentling. Unless you’d rather it felted.”

  A dangerous silence follows. Then: “Your father may be a master dyer, but you’re nothing but a washerwoman. Remember that.”

  The words should sting. Instead, they crystallize something in Alouette’s mind. When Madame Poirier’s footsteps finally recede, Alouette pulls the fabric from her sleeve. The color blooms in the dim steam-lit air, refusing to cower
.

  In a just world, its brilliance would never be caged and hoarded by the guild or by the Gobelins with their haughty stone lions and high, mocking walls. And her hands—her hands wouldn’t be made solely to scrub, to lift, to serve. But to create.

  There must be others who feel this, too, she thinks, though they don’t wear their longing openly. Women who, for a fleeting moment, might dare to risk everything—not for wealth or prestige, but for freedom. For beauty.

  * * *

  AT DAY’S END, Alouette fills two clay bowls with millet porridge. Cold rain taps against the lead-glass windowpanes. The bench by the hearth bears the scars of their life. Edges nicked from careless knife strikes. She sets down the bowls and waits for her father. He moves about the room, his boots heavy on the planked floor, the scents of tannins and mordants clinging to his skin. Finally, he sits, pushing aside his supper to make room for his recipe bible.

  Alouette loves this book—a thing he carries even to bed, tucking it beneath his pillow. The cover is calfskin, split and worn, the vellum pages stained with splotches of indigo and ultramarine, their margins laced with dried petals and notes scrawled like incantations. Legendary crimsons, impossible indigos. Tyrian purple, stolen from the gods. Verdigris, coaxed from copper and wine.

  For as long as she can remember, her father has been chasing a single hue. His masterpiece—Voland’s Scarlet. A red so brilliant, so unforgettable, that it will become his legacy. This dream is what brought them here, to Saint-Marcel, the squalid faubourg of dyers and tanners, far from Marseille’s salt-fresh air and wheeling gulls. From the limitless blue of the sea.

  “Look.” He draws out a scrap and sets it between them on the table. Their old game. “What do you think?”

  Alouette leans in, catching the metallic tang in the weave, then lifts the fabric to the light. “Cochineal? With a tin mordant?”

  His eyes brighten. “They’re using it in England.”

  Venice. Bruges. Gloucestershire. Antwerp. News of innovations in other dyeing centers trickles in occasionally through the silk and spice roads, rumors carried by merchants and guild letters. He speaks of these places with quiet reverence. She listens, yearning. She would go to any of them in an instant, if she could. To learn, to watch, to see how others master what she’s only just begun to grasp.

  She would carry nothing but her notebook and a satchel of dried leaves. Start over in a city where no one knows her name. Where a girl might be valued for her skill, not her silence.

  Later, after her father climbs the stairs, Alouette moves through the quiet ritual of washing up. His footsteps overhead creak once, then settle. Outside, the moon is only a faint smudge. If they were still in Marseille, it would be bright as a coin tossed over the sea.

  Sometimes, in the sleepless hours, she dreams of creating a color like that—the exact blue of the Mediterranean at midday, when the sun shatters on the water. A boundless blue of infinite distances.

  She has no place in the Gobelin dynasty. But that doesn’t mean she won’t leave her own mark.

  CHAPTER 2

  At the heart of Saint-Marcel, the Bièvre splits into two sluggish arms, encircling the Île aux Singes—a riotous pocket of life. On feast days, villagers gather here: men hunched over draughtboards, women trading gossip like currency, children darting barefoot across worn stones.

  At the cafés, an organ grinder sets his monkey loose among the tables. The creature draws cheers, lifting hats and skirts with practiced mischief. But Alouette never laughs. Its collar is too tight, its eyes too human, like a wise old man’s. Whatever wildness it once knew—much like her own—has been lost.

  By late morning, cider has soured the air. Alouette steps lightly past drunk men slouched over tankards. She might feel disgusted by them if they had more to live for, other ways to escape the grueling weight of their days. But she doesn’t want to be like them either. There must be more to life than dulling the ache of it.

  In the shadow of the old city wall, villagers coax vegetables from the soil. Alouette kneels at her own plot, careful not to stain her father’s crimson cloth. Today, in full sun, she notices how the red shifts—darker in shadow, blazing where the light hits. Not just cochineal and tin, but something more: a mystery layered into the weave.

  Between neighbors’ cabbages and turnips, she’s carved out her secret world. To passersby, her herbs suggest nothing more than sleep aids and poultices. But hidden among them are her truest allies: madder and weld, yarrow and woad. She presses the serrated leaves of the woad, releasing its foul, eggy stench—a promise of transformation. In dye, it turns cloth green, then blue when it finds the air.

  That’s why she loves it. A humble leaf, bruised and steeped, becomes a color worthy of kings. Its beauty demands rupture, patience, faith. Perhaps the same holds true for people. Perhaps even now the raw and often painful materials of her life might be brewing into something else entirely, given enough space and light, and some luck besides.

  Her fingers brush the delicate foliage of the madder plant beside it. Its roots run deep, gathering red possibilities beneath the soil. She has studied how the roots transform with age. One year yields pink, two years orange red, but three years? Three years might bring her closer to what her father achieves. The pursuit of his red has become her inheritance, passed down alongside memories of another teacher she lost too soon.

  “Your hands know the way,” her mother would tell her, guiding Alouette’s palms around the mortar and pestle. Henriette used her plant knowledge for healing, but Alouette has repurposed it—mordants for shifting hue, household wisdom turned to alchemy.

  She draws her notebook from her satchel, its pages splotched and stained. Long ago, her father taught her to read and write on dye orders and parchment scraps. He was reluctant at first. It was unusual for a girl, particularly for one of her station. But she had begged, and he had relented. Henriette had only watched, silent and wary. Not because she thought the knowledge useless, but because she feared what came with it: longing, ambition, wanting more than the world would give.

  Now this learning is another thing that sets Alouette apart from her peers. And still, she loves it—the secret power of words. The way formulas take shape in ink, no less vivid than color blooming in cloth.

  In her catalog of recipes, some hold only failure—muddy browns, wan yellows—while others hint at something more. She compares a scrap of her dyeing to her father’s red: not as brilliant, but close.

  When she hears footsteps and laughter nearby, she tucks away the fabric and notebook and pretends to weed. Two women pass with empty baskets, casting glances half pitying, half wary. Poor Alouette, the dyer’s odd daughter.

  Let them whisper, she thinks. Let them steer their children away. Better to be strange than small. To keep herself for herself.

  * * *

  IN HER DIM kitchen, amid pots and soot and stained fingers, Alouette is building a vocabulary of shades and hues. Her father may master red, but she dreams of a full spectrum, a symphony. Something entirely her own.

  She feeds the fire beneath her battered pot, salts the crushed woad, and begins the steeping. The air stinks of lanolin and woodsmoke. Her hands cramp from stirring, but she’s never felt more purposeful.

  As she lowers the mordanted linen, the liquid turns it sickly green. She waits, watches. The old recipes are maddening. “Sufficient warmth.” “A hefty portion.” “Simmer for some time.” She wants precision, not riddles. She tries various mordants—wood ash, lime—tries fresh and dried leaves. But the results disappoint. Her father’s reds burn like coals. Her colors so far refuse to spark.

  When rain begins to clatter at the thatch roof, she lets the fire gutter, staring at the failures logged in her book. Somewhere, past these vague instructions and purloined methods, lies the answer. She must not quit until she finds it.

  CHAPTER 3