"Part murder mystery and part mind-bending time-travel story. . . . Full of imagination" (Booklist).

Say you're a time traveler and you've already toured the entirety of human history. After a while, the world might lose a little of its luster. That's why this time traveler celebrates his birthday partying with himself. Every year, he travels to an abandoned hotel in New York City in 2071, the hundredth anniversary of his...