- Who could that be at this hour?, by Lemony Snicket ; art by Seth
- Mystery at the Washington Monument, by Ron Roy ; illustrated by Timothy Bush
- Thea Stilton and the Black Forest burglary, text by Thea Stilton ; illustrations by Barbara Pellizzari and Flavio Ferron ; translated by Anna Pizzelli
- The stolen slipper, Anna Staniszewski
- Food fright and Par for the course, by Sholly Fisch and Merrill Hagan ; illustrated by Ben Bates and Jorge Corona
- Babe Ruth and the ice cream mess, written by Dan Gutman ; illustrated by Elaine Garvin
- Kitty and the tiger treasure, written by Paula Harrison ; illustrated by Jenny L©ıvlie
- Pretty Penny comes up short, by Devon Kinch
- Super-sized slugger, a novel by Cal Ripken, Jr. with Kevin Cowherd
- Thea Stilton and the Hollywood hoax, text by Thea Stilton ; illustrations by Barbara Pellizzari and Chiara Balleello ; translated by Emily Clement
- Turkey trouble on the National Mall, by Ron Roy ; illustrated by Timothy Bush
- Caught stealing, by Jake Maddox ; text by Brandon Terrell ; illustrated by Aburtov
- Bollywood burglary, Geronimo Stilton ; illustrations by Danilo Loizedda (design) and Daria Cerchi (color) ; translated by Lidia Morson Tramontozzi
- Catalina incognito, by Jennifer Torres ; illustrated by Gladys Jose
- The stolen sapphire, a Samantha mystery, by Sarah Masters Buckey
- Thea Stilton and the lost letters, text by Thea Stilton ; illustrations by Barbara Pellizzari and Chiara Balleello (pencils), Valeria Cairoli (base color), and Daniele Verzini (color) ; translated by Emily Clement
- Garbage dump disaster, Geronimo Stilton ; illustrations by Giuseppe Facciotto, Carolina Livio, Daria Cerchi, and Valeria Cairoli ; translated by Anna Pizzelli
- The yellow yacht, by Ron Roy ; illustrated by John Steven Gurney
- Bear bottom, Stu Gibbs
- Thea Stilton and the prince's emerald, [text by Thea Stilton ; illustrations by Jacopo Brandi ... [and others] ; translated by Emily Clement]
- The L.A. Dodger, by David A. Kelly ; illustrated by Mark Meyers
- Ra the mighty, cat detective, by A.B. Greenfield ; illustrated by Sarah Horne
- How to get away with Myrtle, Elizabeth C. Bunce
- The helmet holdup, Geronimo Stilton
- Zoobreak, Gordon Korman
- Time flies, down to the last minute, written by Tara Lazar ; illustrated by Ross MacDonald
- The Atlanta alibi, by David A. Kelly ; illustrated by Mark Meyers
- A very Spidey Christmas, adapted by Steve Behling ; illustrated by Premise Entertainment
- The Capital catch, by David A. Kelly ; illustrated by Mark Meyers
- Pinky Bloom and the case of the magical menorah, Judy Press ; illustrated by Erica-Jane Waters
- The map trap, Andrew Clements ; illustrated by Dan Andreasen
- Operation: hat heist!, Jason Platt
- Didi Dodo, future spy, in recipe for disaster!, by Tom Angleberger ; illustrated by Jared Chapman
- Thea Stilton and the blue scarab hunt, [text by Thea Stilton ; illustrations by Francesco Bisaro ... [and others] ; translated by Emily Clement]
- On a mission for her majesty, created by Jeff Brown ; written by Kate Egan ; pictures by Macky Pamintuan
- Cam Jansen and the millionaire mystery, by David A. Adler
- The blood between us, Zac Brewer
- September sneakers, by Ron Roy ; illustrated by John Steven Gurney
- Trouble at the Treasury, by Ron Roy ; illustrated by Timothy Bush
- A woodland wedding, Rebecca Elliott
- Christmas in Cooperstown, by David A. Kelly ; illustrated by Mark Meyers
- The clown prince of cards, by Michael Dahl ; illustrated by Luciano Vecchio
- To catch a thief, Martha Brockenbrough
- The chocolate chase, Geronimo Stilton ; illustrations by Danilo Loizedda (design) ; Antonio Campo (pencils) ; Daria Cerchi and Serena Gianoli (color) ; translated by Anna Pizzelli
- Sabotage surrender, Carolyn Keene
- Batman versus the Joker, adapted by N.T. Raymond ; pencils by Cameron Stewart ; digital paints by Dave McCaig
- Thea Stilton and the Madagascar madness, text by Thea Stilton ; illustrations by Barbara Pellizzari and Chiara Balleello (design), Valerie Cairoli (color base), and Valentina Grassini (color) ; translated by Emily Clement
- The map to everywhere, by Carrie Ryan & John Parke Davis
- Strawberry thief, by Sally Rippin ; illustrated by Aki Fukuoka
- The thirteenth pearl, by Carolyn Keene