Man in the empty suit is a Vonnegutesque book about time travel, identity, and some other things.
It’s also a murder mystery, kind of.
It’s kind of confusing.
Brief plot description
Every (subjective) year
Hiro Protagonist a time traveler attends his birthday celebration, held in an abandoned hotel in the year 2071. While en route to “The Convention”, the 39 year-old version of the time traveler discovers something shocking: the murdered corpse of the 40 year-old version of himself. Encouraged to solve the mystery by his older versions, the time traveler has one (subjective) year to solve the mystery of his own murder, or else he will become the victim.