The authors tell these stories from the first-person perspectives of cousins Kate and Cecelia (and, in the third book, two additional characters), who recount their adventures in magic and polite society.
Caroline Islands | Caroline | Radio Caroline | Caroline of Ansbach | Caroline in the City | Caroline Records | Caroline of Brunswick | Sweet Caroline | Queen Caroline | Caroline Norton | Caroline County, Maryland | Caroline Azar | Caroline Wozniacki | Caroline Records (U.S.) | Caroline Quentin | Caroline Lawrence | Caroline Ingalls | Caroline Flint | Caroline Dhavernas | Caroline Webster Schermerhorn Astor | Caroline Shirley, Duchess Sforza Cesarini | Caroline O'Connor (actress) | Caroline O'Connor | Caroline Munro | Caroline Morahan | Caroline Matilda of Great Britain | Caroline Island | Caroline Humphrey | Caroline Herring | Caroline Glick |
Novels written using or inspired by this type of letter game include Sorcery and Cecelia or The Enchanted Chocolate Pot, The Grand Tour or The Purloined Coronation Regalia, and The Mislaid Magician or Ten Years After, all three by Patricia Wrede and Caroline Stevermer; Freedom and Necessity, by Steven Brust and Emma Bull; and the children's books P.S. Longer Letter Later and Snail Mail No More by Paula Danziger and Ann M. Martin.