Dear Mr. Knightley : a novel - Katherine Reay. When an anonymous benefactor offers to put Samantha Moore through school, with the stipulation that she write frequent letters to him on her progress, Sam finds safety in the letters as her program and her peers force her to confront her past.
A Shortcut in Time by Charles Dickinson. Josh Winkler is intrigued when a hasty dash down a familiar walk deposits him 15 minutes in the past. But his life begins to unravel when he manages to go back 80 years and meets a fellow time traveler.