Chris Grabenstein

"Mr. Lemoncello holds a contest for his young friends where they must race to bring interesting facts back to his library."

Everybody starts somewhere, and once upon a time Luigi Lemoncello was a twelve-year-old boy in a large family who dreamed of being a showman; he gets his first chance working for a famous barker at a summer carnival where a mysterious puzzle leads him and his friends on a treasure hunt.

A twelve-year-old boy, worried that his parents may divorce, discovers that an island in the middle of the lake where he is spending the summer is the testing grounds of the mysterious Dr. Libris, who may have invented a way to make the characters in books come alive. Billy, worried that his parents may divorce, discovers that an island in the middle of the lake where he is spending the summer is the testing grounds of the mysterious Dr. Libris,...

From the New York Times bestselling author of Escape From Mr. Lemoncello's Library and coauthor of I Funny and Treasure Hunters, comes a series of spine-tingling mysteries to keep you up long after the lights go out.
ZACK, HIS DAD, and new stepmother have just moved back to his father’s hometown, not knowing that their new house has a dark history. Fifty years ago, a crazed...

Twelve-year-old Jake McQuade is the smartest kid in the universe, but if he wants to keep his title he will have to figure out a way to defeat the villain who steals his ingestible knowledge capsules. Jake McQuade's the smartest kid in the universe--or at least he was. But just as his training with the secret agency known as the Consortium is about to start, Jake's jelly beans go missing! And to make matters worse, they (and Jake's genius!) might...

The author of the Mr. Lemoncello books brings his wit and humor to a pint-sized audience in this picture book debut that turns the universal dilemma of getting kids to sleep on its head. It's time for a nap but, just like stubborn toddlers everywhere, Annalise Devin McFleece won't have anything to do with bedtime. Dad tries to encourage sleepiness by pushing her around the park in her stroller. Along the way, they pass a man sitting on a bench, dog...

When seventh-grader Jake McQuade mistakes the world's first ingestible knowledge pills for jelly beans, he suddenly knows all about physics and geometry and can speak Swahili (though Spanish would be a lot more useful)--but his sort-of girlfriend Grace thinks they can use his new found brilliance to save their middle school from the new principal, who is conspiring to get it shut down.

"Twelve-year-old Jacky "Ha-Ha" Hart is a class clown with a penchant for pranking--and when she's required to act in the school play to appease her frustrated teachers, she must conquer her stutter"--

A Dogg family and a Katt family are spending their vacations at Western Frontier Park fighting with each other when a youngster from each family becomes lost in the dangerous forest.

When a set of priceless paintings by Leonardo da Vinci and Rembrandt go missing in Russia, the Kidd siblings head to St. Petersburg and the wild Arctic tundra to find the bad guys and locate the treasure.