Our #MGCarousel reading challenge this month is all about LOCKS AND KEYS. If you’re ready to unlock the possibilities, CJ and Elza have gathered 20 Middle Grade books that feature padlocks, skeleton keys, secret doors, treasure chests, and more high-security places.


The Key of Lost Things
Sean Easley


Surrender the Key
D. J. MacHale


The Lock-Eater
Zack Loran Clark


Zatanna and the House of Secrets
Matthew Cody & Yoshi Yoshitani


The Twistrose Key
Tone Almhjell


The Art of the Swap
Kristine Asselin & Jen Malone


The Inn Between
Marina Cohen


The Door at the End of the World
Caroline Carlson


Nooks & Crannies
Jessica Lawson


The Zoo at the Edge of the World
Eric Kahn Gale


Agatha Oddly: The Secret Key
Lena Jones


Chasing Vermeer
Blue Balliett


The Garden of Lost Secrets
A. M. Howell


100 Cupboards
N. D. Wilson


Under Locker and Key
Allison K. Hymas


The Key to Everything
Pat Schmatz


The Invention of Hugo Cabret
Brian Selznick


Escape Room
Christopher Edge


The Blackthorn Key
Kevin Sands


Al Capone Shines My Shoes
Gennifer Choldenko
Add to the List!
Recommend your favorite lock and key themed Middle Grade reads in the comments, or add them to our list on Goodreads!