Biography for Geektastic : Stories from the Nerd Herd

Hachette Book Group
Holly Black is the bestselling author of The Spiderwick Chronicles and Tithe, Valiant, and Ironside. She lives in Masschusetts with her husband Theo.

Cecil Castellucci is the author of Boy Proof, Queen of Cool, Beige, and The Plain Janes. She is a writer, filmaker, actress, and singer-songwriter. She lives in Los Angeles.