The Apocalypse Seven by Gene Doucette tells of seven people wake up one morning and slowly realize the rest of humanity has simply vanished.
Nora Seed wants to die, but instead she finds herself in a library where she could live alternate versions of her reality, with different choices to live a life
The Outcasts of Time by Ian Mortimer is a fantasy novel following two brothers, born in the mid-1300s, who jump forward 99 years for every day that passes.
Four scientist invented time travel in 1967, however one of them suffers a breakdown and the other three exile her fearing she would jeopardize the project.