Jeff Kinney is a #1 New York Times bestselling author of the hugely popular Diary of a Wimpy Kid series. He's also a six-time Nickelodeon Kids' Choice Award winner for Favourite Book.

Jeff has been named one of Time magazine's 100 Most Influential People in the World. He is also the creator of Poptropica, which was named one of Time magazine's 50 Best Websites.

He spent his childhood in the Washington, D.C., area and moved to New England in 1995. Jeff lives with his wife and two sons in Massachusetts, where they own the bookstore, An Unlikely Story.

Adam Rex is the New York Times best-selling author and illustrator of Frankenstein Makes a Sandwich. His other books include The True Meaning of Smekday, which was made into the hit animated movie Home; Moonday; and School's First Day of School, illustrated by Christian Robinson.

He also illustrated the Brixton Brothers series, Billy Twitters and His Blue Whale Problem, Chloe and the Lion, and How This Book Was Made, all by Mac Barnett, and Chu's Day, by Neil Gaiman. He lives in Tucson, Arizona.