Doctor Who: 12 Doctors 12 Stories

Holly Black is the bestselling author of contemporary fantasy novels for teens and children, including Tithe: A Modern Faerie Tale and the #1 New York Times bestselling Spiderwick series. She has been a finalist for the Mythopoeic Award and the Eisner Award, and the recipient of the Andre Norton Award. Holly lives in Massachusetts with her husband, Theo, in a house with a secret library. Her website is www.blackholly.com.

Malorie Blackman has written over seventy books for children and young adults, including the Noughts & Crosses series, Thief and a science-fiction thriller, Chasing the Stars. Many of her books have also been adapted for stage and television, including a BAFTA-award-winning BBC production of Pig-Heart Boy and a Pilot Theatre stage adaptation by Sabrina Mahfouz of Noughts & Crosses. There is also a major BBC production of Noughts & Crosses, with Roc Nation (Jay-Z's entertainment company) curating the soundtrack as executive music producer. In 2005 Malorie was honoured with the Eleanor Farjeon Award in recognition of her distinguished contribution to the world of children's books. In 2008 she received an OBE for her services to children's literature, and between 2013 and 2015 she was the Children's Laureate. Most recently Malorie wrote for the Doctor Who series on BBC One, and the fifth novel in her Noughts & Crosses series, Crossfire, was published by Penguin Random House Children's in summer 2019.

Charlie Higson started writing when he was ten years old. After university he was a singer and painter and decorator before he started writing for television. He went on to create and star in the hugely successful comedy series The Fast Show. He is the author of the bestselling Young Bond books and the incredibly successful horror series, The Enemy. Charlie doesn't do Facebook, but you can tweet him @monstroso.