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?....

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

Talking mouse Isaiah is free from the experiments that left him with blue fur and a big voice, and living a picture-perfect life with his human friend, Hailey. But the evil scientists—and their evil talking cats—are hot on Isaiah’s trail.

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).

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....

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!

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....

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....

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.

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....

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....

For their whole lives, Oscar and Molly have been told that katts and doggs hate each other. One day, they each get hopelessly lost in the woods, and slowly, they realize the only way to survive and find their way home is to work together....

Max Einstein is not your typical genius. She hacks the computer system at NYU to attend classes, builds inventions to help the homeless, and talks to Albert Einstein! (Okay, that's just in her imagination). But everything changes when Max is recruited by a mysterious organization....

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…

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....

The Kidd family is on an exciting new mission: use the augmented reality gear their parents created to uncover long-lost treasure. But then their ship, The Lost, explodes in a ball of fire! Now Bick, Beck, Tommy, and Storm are stranded on a raft in the Mediterranean Sea....

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....

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