They paused to rest in the sparse shadow of a yucca grove. “How much farther?” Michael asked. He’d taken off his boot for Sara to attend to his blister; he winced as she pierced it with a small scalpel from the med kit she had found at the station. From the incision came forth a single bead of blood.

“From here, about fifteen kilometers,” Hollis said. He was standing away from them, at the edge of the shade. “See that line of mountains? That’s what we’re looking for.”

Caleb and Mausami had fallen asleep, their heads propped on their packs. Sara wrapped Michael’s foot in a bandage; he wedged it back into his boot, grimacing with pain. Only Amy seemed little worse for the wear. She was sitting apart from the others, her skinny legs folded under her, watching them warily from behind her dark glasses.

Peter went to where Hollis was standing. “Will we make it?” he asked quietly.

“It’ll be close.”

“Let’s give everyone half a hand.”

“I wouldn’t go longer.”

Peter’s first canteen was empty. He allowed himself a sip from his second, vowing to hold the rest in reserve. He lay down with the others in the shade. It was as if he’d only just closed his eyes when he heard his name and opened them again to find Alicia standing over him.

“You said half a hand.”

He rose on his elbows. “Right. Time to go.”

Another hand had passed before they saw the sign, rising out of the wavering heat. First a long line of fencing, tall chain-link with coils of barbed wire at the top, and then, a hundred meters inside the open gate, the small sentry house and the sign standing beside it.

YOU ARE ENTERING THE TWENTYNINE PALMS
MARINE CORPS AIR GROUND COMBAT CENTER.
DANGER. UNEXPLODED ORDNANCE.
DO NOT LEAVE THE ROAD.

“Unexploded ordnance.” Michael’s face was compacted in a fierce squint. “What does that mean?”

“It means watch your step, Circuit.” Alicia directed her voice to everyone. “It could be bombs, or maybe mines. Single file, try to step in the footprints of the person in front of you.”

“What’s that?” Mausami was pointing with one hand, the other held over her brow against the glare. “Are they buildings?”

They were buses: thirty-two of them parked in two closely spaced lines, their yellow paint almost entirely rubbed away. Peter stepped toward the closest bus, at the rear of the line. The breeze had died; the only sound came from their footsteps on the hardpan. Below windows covered in heavy-gauge wire were the words DESERT CENTER UNIFIED SCHOOL DISTRICT. He clambered up the dune of sand that was pushed against it and peered inside. More sand had blown through, subsuming the benches in wavelike drifts. Birds had roosted in the ceiling, staining the walls with the white paint of their droppings.

“Hey! Look at this!” Caleb called.