Chris Grabenstein
author of Mr. Lemoncello's Library, Ms. Pennypickle's Puzzle Quest, and more!
Author Chris Grabenstein is a master of imagination and laughter best known for his fast-paced, funny, and adventure-packed stories for young readers. With his signature mix of clever puzzles, humor, and heart, Grabenstein’s stories turn reading into an irresistible game of curiosity and fun. Keep reading to learn more about the incredible books kids everywhere can’t get enough of.
Meet Ms. Pennypickle
Chris Grabenstein’s latest series is a laugh-out-loud middle grade adventure that combines brain-teasing puzzles, cross-country quests, and fast-paced mystery with heartwarming stories about teamwork and family. Guided by the eccentric puzzle master Ms. Pennypickle, young heroes race to solve riddles, outsmart rivals, and discover that the greatest rewards come from working together.
Mr. Lemoncello’s Library
The Mr. Lemoncello books have sold over 2.1 MILLION copies, spent two years on the NYT list, been nominated for 44 state award lists across 40 states, and won 22 state awards! With short chapters, fast pacing, lots of action, conversation-starting themes, and a strong “freedom to read message”, it’s no wonder they are beloved by kids and grown-ups alike.
Mr. Lemoncello's Library - Now Available as Graphic Novels!
The New York Times bestselling Mr. Lemoncello series with more than 40 state award nominations and 22 state award wins is now available in puzzle-packed, fun-filled graphic novel format!
Haunted Mysteries
The Haunted Mysteries series blends spooky supernatural thrills with fast-paced mystery and humor as young Zack Jennings faces ghosts, curses, and other paranormal dangers while uncovering long-buried secrets. Packed with chills, clever twists, and memorable characters, these page-turners are perfect for middle grade readers who enjoy a good scare with plenty of heart.
The Smartest Kid in the Universe
Meet middle schooler Jake McQuade. Jake became the smartest kid in the universe when he accidentally ate a jarful of ingestible knowledge jelly beans. Readers who enjoy the action of the Last Kids on Earth books will love this fast-paced, spy-packed series that’s a “rollicking good time” (New York Times).


