"Biographical Notes on the Pseudonymous Bells" is a book by Charlotte Brontë, one of the renowned Bronte sisters. The book provides insight into the lives and writings of the Brontë sisters (Charlotte, Emily, and Anne), who originally published their work under male pseudonyms - Currer, Ellis, and Acton Bell. Throughout the book, Charlotte offers intimate details about their private lives, their love for literature, and the reasons behind their choice to write under male names.