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).

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...

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...

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...

"Chris Grabenstein just might be the smartest writer for kids in the universe." --James Patterson What if you could learn everything just by eating jellybeans?! Meet the Smartest Kid in the Universe and find out in this fun-packed new series from the Bestselling Author of Escape from Mr...

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...

"Chris Grabenstein just might be the smartest writer for kids in the universe." —James Patterson The Smartest Kid in the Universe goes to genius camp in book two of this action-packed series from the New York Times bestselling author of Escape from Mr. Lemoncello's Library! Jake McQuade is the...

Meet middle schooler Jake McQuade. Jake became the smartest kid in the universe when he accidentally ate a jarful of ingestible knowledge jelly beans. But what happens when those jelly beans fall into the wrong hands?! Readers who enjoy the action of the Last Kids on Earth books will love this...

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...

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 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 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...

“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....

Ceepak is confronted with his most personal case yet when he must investigate the alleged suicide of a military corporal who recently returned from Iraq....

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

There isn't much fun in the sun when a billionaire real-estate tycoon is found murdered on the Tilt-a-Whirl at a seedy seaside amusement park in an otherwise quiet summer tourist town....

By-the-book officer John Ceepak and his wisecracking young partner, Danny Boyle, have to babysit the buff and boozy kids partying it up in a Jersey Shore rental house for TV’s summertime hit Fun House....

From the New York Times bestselling author of the Mr. Lemoncello series comes a race across the country full of rousing riddles and laugh-out-loud humor as two brothers try to solve the million-dollar puzzle of an eccentric genius! Benjamin and Ethan Broderick don't fit together. Twelve-year-old...

Do you love DOGS? Do you love CATS? Do you love ADVENTURE? Then put your paws together for DOG SQUAD, the hilarious, crime-fighting middle-grade series from the #1 New York Times bestselling author of Escape from Mr. Lemoncello's Library! When trouble calls . . . it’s Dog Squad to the rescue!...