TOM FLETCHER is one of the UK's bestselling authors for children. The Christmasaurus was the biggest debut middle-grade novel of 2016, and The Creakers was a number one bestseller. Tom is also the bestselling author of the picture books There's a Monster in Your Book, There's an Elf in Your Book, and There's a Dragon in Your Book , which received a Children's Choice Honor. The Dinosaur That Pooped picture books, written with his bandmate Dougie Poynter, have sold over a million copies. With his wife, Giovanna Fletcher, Tom is the coauthor of the Eve of Man series. Tom's books have been translated into more than thirty-five languages and counting. He is also a songwriting, guitar-playing, Guinness World Record-holding, diaper-changing, galaxy-defending dad! GREG ABBOTT is an illustrator and graphic designer. He created the adorable illustrations for the Who's in Your Book? series, including There's a Monster in Your Book, There's an Elf in Your Book, and There's a Dragon in Your Book .

In addition to children's books, Greg has created apparel, art prints, toys, greeting cards, and other merchandise. He lives in West Sussex, England. Visit him on Tumblr at gregabbott.tumblr.com.