The One Hundredth Thing About Caroline is a children's novel by Lois Lowry, published on October 24, 1983.

Synopsis

Caroline Tate discovers a note written to the mysterious man living in the apartment above her, telling him to "Get rid of the kids". Caroline jumps to the conclusion that she and her brother are going to be murdered, and she's even more horrified when her single mother starts to date the man. The title comes from the recurring theme, where many of the book's characters say to Caroline: "The (number)th thing I like about Caroline is that...", finishing with the number 100.