- The case of the desperate duck, story by Cynthia Rylant ; pictures by G. Brian Karas
- Fake ID, Lamar Giles
- Welcome to Wonderland, home sweet motel, Chris Grabenstein ; illustrated by Brooke Allen
- Last panda standing, Jarrett J. Krosoczka
- Ada Lace, take me to your leader, Emily Calandrelli ; with Tamson Weston ; illustrated by Renée Kurilla
- The case of the snack snatcher, Liam O'Donnell ; illustrated by Aurélie Grand
- The body under the piano, Marthe Jocelyn
- Shelb & Watts, by Ashlyn Anstee, 2
- Rattled, a mystery, Lisa Harrington
- The mystery of Black Hollow Lane, Julia Nobel
- Let the monster out, Chad Lucas
- The mystery in the old attic, created by Gertrude Chandler Warner ; illustrated by Charles Tang
- The hurricane mystery, created by Gertrude Chandler Warner ; illustrated by Charles Tang
- The jump, Brittney Morris
- Mr. Lemoncello's all-star breakout game, Chris Grabenstein
- King & Kayla and the case of the secret code, written by Dori Hillestad Butler ; illustrated by Nancy Meyers
- The case of the bizarre bouquets, Nancy Springer
- Clues in the shadows, a Molly mystery, by Kathleen Ernst ; [illustrations by Jean-Paul Tibbles]
- The happy Hollisters at Mystery Mountain, by Jerry West ; illustrated by Helen S. Hamilton
- Ra the Mighty, cat detective, by A. B. Greenfield ; illustrated by Sarah Horne
- Young Cam Jansen and the missing cookie, by David A. Adler ; pictures by Susanna Natti
- Click here to start, a novel, Denis Markell
- The case of the stolen sixpence, written by Holly Webb ; illustrated by Marion Lindsay
- The tower treasure, by Franklin W. Dixon ; illustrated by Walter S. Rogers ; with an introduction by Leslie McFarlane
- Detective camp, by Ron Roy ; illustrated by John Steven Gurney
- The double jinx mystery, by Carolyn Keene
- Shirley & Jamila's big fall, Gillian Goerz
- Death cloud, Andrew Lane
- Me and Sam-Sam handle the apocalypse, Susan Vaught
- The secret of the wooden lady, by Carolyn Keene
- Trouble never sleeps, Stephanie Tromly
- Iceland intrigue, by C. R. Hedgcock
- Tell me, Joan Bauer
- Into the gauntlet, Margaret Peterson Haddix
- A case for Buffy, by Ulf Nilsson ; illustrated by Gitte Spee ; translated by Julia Marshall
- The mystery on the Great Lakes, [Carole Marsh]
- Cam Jansen and the Valentine baby mystery, David Adler ; illustrated by Susanna Natti
- The edge of forever, Melissa E. Hurst
- Get a clue, Tiffany Schmidt
- The Atlanta alibi, by David A. Kelly ; illustrated by Mark Meyers
- The mystery at Snowflake Inn, created by Gertrude Chandler Warner ; illustrated by Charles Tang
- Who pushed Humpty Dumpty?, and other notorious nursery tale mysteries, David Levinthal ; illustrations by John Nickle
- Carmen Sandiego, based on the Netflix original series teleplay by Rebecca Tinker
- Freddy the detective, by Walter R. Brooks ; illustrated by Kurt Weiss
- Young Cam Jansen and the speedy car mystery, by David A. Adler ; illustrated by Susanna Natti
- Miss Peregrine's home for peculiar children, the graphic novel, story by Ransom Riggs ; art by Cassandra Jean ; lettering JuYoun Lee & Stephanie Lee
- The clue of the black keys, by Carolyn Keene
- The mask of destiny, Richard Newsome ; illustrated by Jonny Duddle
- Karma Moon, ghost hunter, Melissa Savage
- Sisterhood of sleuths, Jennifer Chambliss Bertman ; with illustrations by Vesper Stamper