Kirsten saves the day

The American Girl series, by various authors, is a collection of novels set within toy line's fictional universe. Since its inception, American Girl has published books based on the dolls, with novels and other media to tie in with their dolls. The books follow various American girls throughout both historical eras and contemporary settings. The historical novels that have corresponding dolls are referred to as the Central Series. There is also the Girl of the Year line of characters from contemporary settings.