The House with No Keys

by Lindsay Currie

This sequel to the New York Times bestselling book The Mystery of Locked Rooms follows the beloved Deltas as they race to complete the most challenging escape room they've ever faced...and confront their fears in order to save their friendship.

When a strange invitation shows up in Sarah's backpack, the Delta's learn that their favorite funhouse, The Delta Game, is about to get some serious competition. The "Mystery Mansion"...

• Format: Hardcover
• Language: English
• ISBN: 1464234949
• ISBN13: 9781464234941
• Release Date: October 2025
• Publisher: Sourcebooks Young Readers
• Length: 256 Pages
• Dimensions: 0.9" x 5.8" x 8.5"