“Tavi,” Doma snapped, though she didn’t flinch as the boy landed among her spice jars and drafting pens. “I told you to keep off the high roof beams until the shift bells turned.”
The boy was no older than thirteen, slight of frame and wiry as a willow switch, his face smeared with black locomotive soot and lime dust. He wore a giant railway worker’s coat cut off raggedly at the elbows. His forearms were bound in strips of greasy calico to protect against gritty stonework. Across his chest hung a battered canvas dispatch satchel crammed with folded town survey maps, sticks of carpenter’s chalk, and a brass signal whistle tied with postal twine.
His dark, sharp eyes flicked instantly from Doma to Ivara. Then he locked with skilled scrutiny onto the tarnished brass plate of the Tern Road Postal Network pinned to Len’s vest.
“You’re the outside courier who brought the fever box,” Tavi said, his breathing shallow but controlled, the steady breathing of an experienced roof-runner. “Gate Three is bolted down. The iron drop-bar cleared the doorstep ten minutes before the hour.”
Len stepped forward, his boots clicking on the floorboards. “What about the pedestrian wicket? My Tern Road transit pass has an emergency courier rider stamped by the Northern League. If I pay the night surcharge—”
“The wicket is dead, mister,” Tavi interrupted. He shook his head until his uncombed black hair flew across his brow. “Court guard Ash dropped the backup drop-gate five minutes early. The merchant carts are locked in the quarantine bays between the steel gates. The customs clerks went off shift with the keys. Chancellor Morn put an armed squad from the Third Municipal Regiment on the outer canopy with heavy crank winch crossbows. Nobody crosses the gravel ditch tonight.”
Len unpinned his steel pocket watch, checking the sweep of the second hand in the green lantern light. It was eight minutes before midnight. In his mind, he calculated the distances. Two miles back to the southern barrier, past three rail switches, through the narrow rock cut, and up the steep approach ramp. Even with his Surefoot baseline and the sustained lung capacity of Long Breath, sprinting two miles through unlit railyards in total darkness would take twenty minutes.
“What about the freight water chute?” Len asked, looking at Ivara. “The drainage under-road drain that carries the overflow from the Gate Ward holding basins?”
“The high freight water chute has an iron trash-rack bolted across the intake,” Ivara said, not looking up from her workbench. “Four-inch square bars set in granite footings. It takes four men with a geared winch to raise the grate. The winch house is inside the court guard’s barracks. You wouldn’t reach the first rail frog before midnight caught you in the open.”
“And running in the dark with an active milestone is suicide,” Tavi added, hopping down from the bench to stand beside the hearth. “When your pulse spikes over a hundred and twenty beats a minute, your aura dilates. The blue flare shows through your coat like a locomotive headlight. Every ungrounded anchor cable in the ballast would reach for you.”
Len looked down at his boots, feeling the crushing weight of the enclosed basin pressing against his temples.
Three hundred miles to the north, in the quiet wooden station house in Cross-Hollow, his sister Cira would be sitting at the scarred cedar desk by the light of a clean animal fat candle. She would have the station ledger open, dipping her steel pen into the black inkpot, balancing the day’s delivery receipts. She would be calculating the sixteen thalers owed on the delivery cart, trusting that her younger brother was sleeping in a warm roadside inn at Redstone, ready to deliver his official Survey dispatch at dawn.
She didn’t know that the receiver named on his dispatch was four years in his grave. She didn’t know that the province he had entered had swallowed twelve years of sunlight. And she didn’t know that in eight minutes, the milestone he had earned in the morning creek bed would be torn from his body by an office machine that recognized no living soul.
“I can’t stay in this cellar,” Len said, looking at Doma. “If the double emerges here, it endangers the children.”
Doma reached out, her thick, calloused hand clamping onto his sound shoulder with an unbending, maternal grip that anchored him to the floor.
“You stay right here, courier,” Doma said, her gravelly voice brooking no argument. “Out in the street, you’re an ungrounded target with one good arm and no knowledge of the under-road drains. In this kitchen, we have eight copper lanterns burning treated oil, we have Ivara’s grounding lines. We have an iron fire-poker that has cracked two doubles’ ribs already.”
She pushed him toward the center of the hall, directly beneath the overlapping cones of emerald light.
“You’re going to lose the sixth level, Len,” Doma whispered, her voice softening into a rare, painful tenderness. “That part is finished. Chancellor Morn wrote that ledger twelve years ago, and neither you nor I can rewrite it before midnight. What matters now is making sure you don’t lose your throat.”
Tavi reached into his pocket. Then he pulled out a lump of dried mutton fat, tossing it onto the hearth stones where it sizzled with a sharp, greasy pop. “The kid is right about the yard. Kael’s double is already out there. I saw it from the roof of the water crane ten minutes ago. It was running along Track Four, testing the ground with its heels. It doesn’t move like an outside runner anymore. It moves like a machine on rails.”
Len felt his stomach tighten. “Kael? The Southern Express boy?”
“The Southern Express boy died at ten o’clock,” Ivara said. Her voice dropped like an iron drop-gate. “His double is already sworn to the Survey enforcement roster. It carries a short lead-weighted cosh and a brass badge. In eight minutes, you’ll have your own hunter.”
“How does Tavi move through the yards?” Len asked, looking at the boy. “If the doubles patrol the tracks—”
“The doubles don’t look up,” Tavi said, tapping his temple. “They follow their original habits. An outside courier or an iron puddler spends his whole life looking at the ballast and the cobbles. He checks for broken ties, wagon ruts, and grease traps. He never looks forty feet into the air. I run the roof beams and the mid-air cables. Up there, the wind is freezing and the soot gets in your teeth. But there’s no anchor channels in the sky.”
“A roof-runner has his own risks,” Doma murmured. “One loose tin sheet and you drop thirty feet onto an iron rail frog.”
“Better than having my double try on my boots,” Tavi said with a grim shrug. He pulled a piece of yellow chalk from his pouch. Then he drew a swift line on the floorboards, marking the boundary where the pantry shadow began. “Court guard Ash is on duty at Gate Three with two squads. He looked nervous, Doma. He kept touching his badge and checking the road back toward Tram.”
“He knows the water pump is dying,” Doma said, her jaw tightening. “He knows what happens to this shed when the header tank runs dry. If he had any shame left in his carcass, he’d bring the replacement sleeve down here himself.”
“Bram has a daughter in the clinic,” Ivara said dryly, not pausing in her work. “A man with a dying child doesn’t trade in shame. He trades in rule-following.”
Ivara picked up a clean rag, walked over to Len, and took his pocket watch from his hand.
“Give me the pocket watch,” Ivara commanded. “We need to calibrate the drop.”
Len unpinned the steel watch from his lapel, his fingers stiff from the cellar damp. He handed it across the oak bench. Then, Tavi leaned in, his dark eyes wide with curiosity as he stared at the polished steel case and the engraved postal star on the cover.
“Is it true what they say about the north?” the boy asked, his voice dropping to a whisper so Doma wouldn’t hear. “That in the summer, the sun stays in the sky until nine bell at night? That you can see five leagues across open grass without carrying a lantern?”
Len looked down at the boy’s soot-blackened face, seeing the hunger behind the question—a hunger far deeper than the need for pea porridge. “It’s true,” Len said gently. “In June, the daylight lasts so long you can read a delivery receipt at the roadside after the evening bells. The grass on the river meadows smells sweet when the dew falls. The clouds turn pink before dark.”
Tavi stared at the watch as Ivara set it on the bench. “Pink clouds,” he muttered, as if trying out words in a foreign language. “Up on the ridge, the only thing that turns pink is the melted rock waste when the iron furnaces tap the lower troughs.”
“Stop talking about clouds,” Doma called from the hearth, her voice harsh with tension. “Talking about outside daylight won’t put iron into your blood, Tavi. Check the chimney pipe damper on the south stove and get your snuffer ready.”