They said the rest of time was not like 1918. And that, the strangers said, was why they’d rescued Leonid. They said he should be grateful. * * * Leonid opened his eyes to a room without windows or doors. It was just four blank walls, a ceiling, and a floor. Nothing else. “Another prison,” he whispered. Katherine, the girl from the future, shook her head so hard that strands of her blond hair tangled together. If Leonid squinted, he could see her hair as a sort of golden crown, almost like the ones the grand duchesses used to wear. “No, no,” Katherine said. “This isn’t a prison. It’s a time hollow. A place away from time where we’ll be safe.” “We’re trapped. There’s no way out,” Leonid observed, even though he thought that should be obvious. “Sure there is,”