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?....

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).

Welcome, boys and girls, listeners of all ages, to the first-ever Library Olympics! Kyle and his teammates are back, and the world-famous game maker Luigi Lemoncello is at it again!

Discover what James Patterson calls “the coolest library in the world” in the New York Times bestselling, award-winning Mr. Lemoncello’s Library series!

The Kidd siblings have grown up diving down to shipwrecks and traveling the world, helping their famous parents recover everything from swords to gold doubloons....

Kyle Keeley is the class clown, popular with most kids, (if not the teachers), and an ardent fan of all games: board games, word games, and particularly video games....

After their adventures in China and Germany, the Kidd family is ready for some rest and relaxation. But when you're an ace treasure hunting team, there's always another adventure around the corner....

It’s a cloudy day on the Sacred Kidney playground, but Jake likes it that way—dark and uncertain. For a junior detective like Jake, standing up to bad guys is a piece of cake. After all, she’s the only detective at Sacred Kidney Elementary with a hard-earned badge to her name.

Everyone's favorite game maker, Mr. Lemoncello, is testing out his new Fabulous Fact-Finding Frenzy game....

When Jake spies a bowl of jellybeans at the hotel where his mom works, he eats them. But uh-oh—those weren’t just jellybeans, one of the scientists at his mom’s conference is in the process of developing the first ingestible information pills. And THAT’S what Jake ate.

Discover what James Patterson calls “the coolest library in the world” in the New York Times bestselling, award-winning Mr. Lemoncello’s Library series!

Jake McQuade is the smartest kid in the universe — and he's back to defend his title! This time, he is heading off to a camp for geniuses sponsored by billionaire tech mogul (and brilliant inventor) Zane Zinkle....

Bick Kidd and his globe-trotting siblings Beck, Storm and Tommy may have completed their first treasure hunt after their father was lost at sea, but their kidnapped mother is still in the hands of nasty pirates....

With her irresistible urge to tell a joke in every situation—even when she really, really shouldn't—twelve-year-old Jacky Ha-Ha loves to make people laugh....

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 favorite game maker! From the co-author of Murdle Jr.: Sleuths on the Loose…

A harrowing array of scary stories that all have one thing in common: each either begins or ends with a scream!

What does an Irish town and a village in India have in common? A water crisis that only a group of kid geniuses can fix! Max and her CMI friends attempt to use their smarts to find solutions, but it's hard to save the world when you're trying not to be kidnapped....

Mr. Lemoncello is taking his games out of the library and going live across the nation on the world-famous Kidzapalooza Television Network! Only a lucky few will be chosen to compete in front of millions of viewers; Kyle Keeley is determined to be one of them....

Far away from his magical library, everyone's favorite game maker, Luigi Lemoncello, is building something new. Something SECRET. And he's about to let the world see it. He'll reveal that hidden deep within the Lemoncello-tastic new building is a single ticket. A titanium ticket....

#1 bestselling author James Patterson doles out the laughs in the first book in the hit series! Middle-schooler Jamie Grimm faces bullies and self-doubt as he chases his dream of becoming the world’s greatest comedian.