Chris Grabenstein is the author of the New York Times bestsellers The Island of Dr. Libris and Escape from Mr. LemonCello's Library as well as the co-author (with James Patterson) of the #1 Bestselling series I Funny, House of Robots, and Treasure Hunters.

Lamar Giles writes novels and short stories for teens and adults. He is the author of the Edgar Award nominees Fake ID and Endangered, as well as the YA novel Overturned.

He is a founding member of We Need Diverse Books, and he resides in Virginia with his wife.

Bruce Hale is passionate about inspiring reluctant readers to read. He has written or illustrated more than 35 seriously funny books for children, including two other Monstertown Mysteries, the popular Chet Gecko Mysteries series, and the Clark the Shark picture bookseries.

An actor and a Fulbright Scholar in Storytelling, Bruce is in demand as a speaker, having presented at conferences, universities, and schools across North America and internationally. His acting resume includes regional commercials, theater, and an independent film, "The Ride".

Bruce's book The Malted Falcon was an Edgar Award Finalist. Murder, My Tweet won the Little D Award for Humor Writing. He lives in Santa Barbara, California with his wife, Janette, and his sweet mutt, Riley.

Peter Lerangis is the author of more than one hundred and sixty books, which have sold more than five million copies and been translated into thirty-three different languages.

His books include The Colossus Rises and Lost in Babylon in the New York Times bestselling Seven Wonders series, and two books in The 39 Clues series (The Sword Thief and The Viper's Nest).

Peter is a Harvard graduate with a degree in biochemistry and has run a marathon and gone rock climbing during an earthquake - though not on the same day. He lives in New York City with his wife, musician Tina deVaron, and their two sons, Nick and Joe. In his spare time, he likes to eat chocolate.

Kate Milford is the New York Times bestselling author of the Edgar Award-winning, National Book Award nominee Greenglass House, as well as Ghosts of Greenglass House, Bluecrowne, The Boneshaker, The Broken Lands, and The Left-Handed Fate.

Tyler Whitesides is the author of the bestselling children's series, Janitors, and The Wishmakers. The Thousand Deaths of Ardor Benn is his adult debut.

When he's not writing, Tyler enjoys playing percussion, hiking, fly fishing, cooking and theatre. He lives in the mountains of northern Utah with his wife and son.