Nick Lake is a children’s book editor at Harper UK. He received his degree in English from Oxford University. His Blood Ninja trilogy was inspired by his interest in the Far East, and by the fact that he is secretly a vampire ninja himself. Nick lives with his wife and daughter in England. Visit him on Twitter @NickLakeAuthor.

Emily Gravett is the author and illustrator of many children’s books, including Matilda’s Cat, Again!, Little Mouse’s Big Book of Fears (winner of the Kate Greenaway Medal), Meerkat Mail, Tidy, and Old Hat. Her first book, Wolves, was the winner of the Kate Greenaway Medal and the Boston Globe–Horn Book Honor Award for Illustration. Her second book, Orange Pear Apple Bear, was a Quills Award finalist, a Publishers Weekly Best Book of the Year, a Kirkus Reviews Best Book of the Year, and on the shortlist for the Kate Greenaway Medal. Emily lives in Brighton, England, with her partner, their daughter, and the family dog. Visit her at EmilyGravett.com.