Stormy Summers Fifth Grade Detective: Canyon Camp Capers Part 2 (Paperback) (ISBN-13: 9781963068931)

Cassie is missing!

While away at a two-week camp, Stormy, Cassie, and Gabriella discovered a haunted cave. Campers who have visited the Shrieking Cavern have mysteriously vanished. Taken by the Aztec warrior who guards Montezuma's treasure. The girls' new friends were the first to disappear. Now as they close in on the mystery surrounding the haunting, Cassie has been taken, too.

Gabriella and Stormy discover a message on Cassie's cot. Whoever has Cassie and the others wants them to "STOP LOOKING."