Diana G. Gallagher (March 14, 1946 – December 2, 2021) was an American author who wrote books for children and young adults based on television series. She contributed to book series based on Buffy the Vampire Slayer, Sabrina the Teenage Witch and Charmed, among others. Born in Paterson, New Jersey, she lived in Florida with her husband, the writer Martin Burke. She sometimes also wrote under the name Diana Burke. Gallagher won a Hugo Award for Best Fan Artist in 1988 under the name Diana Gallagher Wu. Source: Wikipedia (en)