Tom Fletcher (Author) Tom Fletcher is one of the UK's bestselling authors for children. He is the creator of The Christmasaurus, which was the biggest debut middle-grade novel of 2016. He is also one half of the duo behind the Dinosaur That Pooped picture book series, which has sold over a million copies. His newest picture book is There's A Monster in Your Book. Tom's books are translated into nineteen languages around the world (and counting). Greg Abbott (Illustrator) Greg Abbott is an illustrator and designer who lives in West Sussex, England. In addition to children's books, he has created art prints, apparel, toys, greetings cards, and other merchandise. Visit him on Tumblr at gregabbott.tumblr.com.