|2013||1||Treasure Hunters||James Patterson, Mark Shulman, Chris Grabenstein||480|
|2014||2||Danger Down the Nile||James Patterson, Chris Grabenstein||480|
|2015||3||Secret of the Forbidden City||James Patterson, Chris Grabenstein||448|
|2016||4||Peril at the Top of the World||James Patterson, Chris Grabenstein||384|
|2018||5||Quest for the City of Gold||James Patterson||384|
|2019||6||All-American Adventure||James Patterson, Chris Grabenstein||368|
|2020||7||The Plunder Down Under||James Patterson, Chris Grabenstein||336|
|2022||8||The Ultimate Quest||James Patterson, Chris Grabenstein||336|
|2023||9||The Greatest Treasure Hunt||James Patterson, Chris Grabenstein||336|
James Patterson has had more New York Times bestsellers than any other writer, ever, according to Guinness World Records. Since his first novel won the Edgar Award in 1977 James Patterson’s books have sold more than 300 million copies. He is the author of the Alex Cross novels, the most popular detective series of the past twenty-five years, including Kiss the Girls and Along Came a Spider. He writes full-time and lives in Florida with his family.
Chris Grabenstein is the author of the New York Times bestselling Escape from Mr. Lemoncello’s Library, Mr. Lemoncello’s Library Olympics, The Island of Dr. Libris, and the Welcome to Wonderland series. He is also the coauthor of several bestselling series with James Patterson, including I Funny, Treasure Hunters, House of Robots, and Jackie Ha Ha. Chris lives in New York City with his wife, JJ, two cats, and a dog named Fred. Visit him online at chrisgrabenstein.com, and follow him on Facebook or on Twitter at @cgrabenstein. Don’t miss the third Lemoncello adventure, Mr. Lemoncello’s Great Library Race, coming in October 2017!