Chris Grabenstein

What do you get when you add up one middle school bully, two bank robbers, 57 puppy-mill dogs, 4,000 missing dollars, and five daring troublemakers led by the incomparable Riley Mack?....

THE NEW YORK TIMES BESTSELLING SERIES WITH MORE THAN TWO MILLION COPIES SOLD! Discover what James Patterson calls “the coolest library in the world.” Follow along and solve the clues in this interactive adventure featuring Mr. Lemoncello’s first-ever Library Olympics! From the co-author of...

Discover what James Patterson calls “the coolest library in the world” in the New York Times bestselling, award-winning Mr. Lemoncello’s Library series! "A worthy successor to . . . Willy Wonka." —Booklist, starred review LISTEN to the books, PLAY the games, and SOLVE the puzzles in this...

THE START OF THE NEW YORK TIMES BESTSELLING SERIES WITH MORE THAN TWO MILLION COPIES SOLD! Can you escape from what James Patterson calls “the coolest library in the world”? Follow along and solve the clues in this interactive adventure! From the co-author of Murdle Jr.: Sleuths on the...

On his 11th birthday, Jackson is nervous middle school where he knows he'll be bullied by older kids, so he makes his wish, "I don't want to grow up!" When his 12th birthday rolls around, he discovers his wish came true: he's still 11, and he’s starting fifth grade (again).

The world’s #1 bestselling author doles out the laughs as middle-schooler Jamie Grimm faces bullies and self-doubt as he chases his dream of becoming the world’s greatest comedian. Jamie Grimm is a middle schooler on a mission: he wants to become the world's greatest standup comedian—even...

THE NEW YORK TIMES BESTSELLING SERIES WITH MORE THAN TWO MILLION COPIES SOLD! On your marks. Get set. Read! From what James Patterson calls “the coolest library in the world” to the race of a lifetime, follow along and solve the clues in this interactive adventure! By the co-author of Murdle...

THE NEW YORK TIMES BESTSELLING SERIES WITH MORE THAN TWO MILLION COPIES SOLD! And we’re live! From what James Patterson calls “the coolest library in the world” to Mr. Lemoncello’s first-ever televised breakout game, follow along and solve the clues in this interactive adventure! By the...

THE PREQUEL TO THE NEW YORK TIMES BESTSELLING SERIES WITH MORE THAN TWO MILLION COPIES SOLD! Discover the origins of what James Patterson calls “the coolest library in the world.” Follow along and solve the clues in this interactive adventure to reveal how Mr. Lemoncello became everyone’s...

In the third installment of James Patterson's bestselling series, Jamie Grimm is one step closer to becoming the best kid comic in the world, but now he's facing his biggest challenge yet. Jamie Grimm is back and better than ever. After scoring big on national TV in the semifinals contest...

Join the famous treasure-hunting Kidds on their first adventure ever! The #1 New York Times bestselling series from James Patterson is jam-packed with action, humor, and heart! The Kidd siblings have grown up diving down to shipwrecks and traveling the world, helping their famous parents recover...

“I didn’t do it!” is something cops hear all the time. But when the plea comes from a close friend who’s fallen on hard times, it’s tougher to ignore, especially for young Officer Danny Boyle....

“Outrageous hijinks and nonstop hilarity—five-stars!" —Lincoln Peirce, author of the Big Nate series From the bestselling author of Escape from Mr. Lemoncello’s Library and coauthor with James Patterson of I Funny, House of Robots, and Treasure Hunters, comes the second hilarious...

THE CONCLUSION TO THE NEW YORK TIMES BESTSELLING SERIES WITH MORE THAN TWO MILLION COPIES SOLD! Welcome back to what James Patterson calls “the coolest library in the world.” Follow along and solve the clues in this interactive adventure to see if you have what it takes to be the new owner...

The Kidds—treasure hunting family extraordinaire—are heading to China, on a journey that will lead them beyond the Great Wall and into the underbelly of Berlin in this action-packed adventure from the world’s #1 bestselling author. Bick and Beck Kidd are desperately trying to secure the...

In this hilarious follow-up to the bestseller I Funny, middle schooler Jamie Grimm is ready for the national comedy semi-finals ... but when his family and friends need his help, will he have to put his dreams on hold? In this follow up to the #1 New York Times bestseller I Funny, middle...

John Ceepak and Danny Boyle return with the hunt for a long-dormant serial killer who might be ready to strike again....

What Harry Potter did for magic, Max Einstein does for kids' imaginations! Max leads a group of kid geniuses in this #1 New York Times bestseller officially approved by the Albert Einstein archives. Max Einstein is not your typical genius. She ... Hacks the computer system at NYU to attend...

THE NEW YORK TIMES BESTSELLING SERIES WITH MORE THAN TWO MILLION COPIES SOLD! James Patterson called it “the coolest library in the world.” Now follow along and solve the clues in this interactive adventure through Mr. Lemoncello’s one-of-a-kind, never-before-seen Gameworks Factory! From...

Get ready to Laugh Out Loud (a lot!) with James Patterson's illustrated middle grade story of a twelve-year-old boy starting his own book company for kids. Jimmy loves reading so much that he's inspired to start a book company for kids -- run by kids. It's a big dream for a twelve-year-old boy...