The Royal Diaries is a 20-book series with 20 released primary works first released in 1999 with contributions by Kathryn Lasky, Carolyn Meyer, Patricia C. McKissack, Ellen Emerson White, Laurence Yep, Patricia Clark Smith, Anna Kirwan, Kristiana Gregory, Sheri Holman, Barry Denenberg, Edwidge Danticat, Karen Hesse, and Ann Turner.