Middle Grade Mysteries and Thrillers

This list includes titles from the Harrington Middle School 2026 suggested summer reading list, as well as recommendations from staff at the Mount Laurel Library. Remember, you do not need to choose a title from the list; you can fulfill your summer reading obligations by reading any middle grade book.

Updated May 11, 2026
M
Mount Laurel Library
Drag items up and down to your preferred order then select the "Save Order" button.
The Misfits #1: A Royal Conundrum
Yee, Lisa
Paper Book
NEW YORK TIMES BESTSELLER . When a notorious thief is out for priceless treasure (gems! cats! general decorum!)-who're you gonna call? An elite team of crime-fighting underdogs, that's who! The Misfits are on the case in this hilarious series from Newbery Honoree Lisa Yee and Caldecott...
The Naturals
Barnes, Jennifer Lynn
Paper Book
Cold cases are about to get hot. Don't miss this exhilarating crime thriller--perfect for fans of Criminal Minds and A Good Girl's Guide to Murder--from Jennifer Lynn Barnes, the #1 New York Times bestselling author of The...
After life
Forman, Gayle
Paper Book
The extraordinary new young adult novel from bestselling author of If I Stay, Gayle Forman.
The mysterious Benedict Society
Stewart, Trenton Lee
Paper Book
For fans of Lemony Snicket and Escape from Mr. Lemoncello's Library, this first book in the bestselling, award-winning Mysterious Benedict Society series is not to be missed! "Are you a gifted child looking for special opportunities?" Dozens of...

Library staff! You can create and contribute to lists. Contact your catalog administrator or log in here.