Dog Diaries: Curse of the Mystery Mutt

Steven Butler is the author of the bestselling Diary of Dennis the Menace fiction series. As well as writing the hit 2015 World Book Day title, World Menace Day, Steven also hosted World Book Day's the Biggest Book Show on Earth for over 13,000 children and dozens of top-name authors.

Steven Butler is an actor, dancer and trained circus performer. He has appeared in The Wizard of Oz in London's West End and was Henry in Horrid Henry Live and Horrid!

His primary school headmaster was the fantastically funny author Jeremy Strong. Steven's first novel, The Wrong Pong, was shortlisted for the prestigious Roald Dahl Funny Prize in 2009.

JAMES PATTERSON is one of the best-known and biggest-selling writers of all time. His books have sold in excess of 375 million copies worldwide. He is the author of some of the most popular series of the past two decades – the Alex Cross, Women’s Murder Club, Detective Michael Bennett and Private novels – and he has written many other number one bestsellers including romance novels and stand-alone thrillers.

James is passionate about encouraging children to read. Inspired by his own son who was a reluctant reader, he also writes a range of books for young readers, including the Middle School, I Funny, Treasure Hunters, House of Robots, Confessions, and Maximum Ride series. James has donated millions in grants to independent bookshops and has been the most borrowed author of adult fiction in UK libraries for the past eleven years in a row. He lives in Florida with his wife and son.