The Legend of Skull Cliff — Kristiana Gregory

Action! Intrigue! Cliffhangers! With a riveting overarching series storyline and a mini-mystery in each title, Cabin Creek gives readers what they crave: immediate answers AND ongoing suspense. Every book reveals clues, adds layers, and finds the characters investigating, plotting, and unraveling clues. They'll need their wits, their courage, and their gadgets to get to the bottom of the many mysteries of Lost Island and Grizzly Paw Wilderness.

When a city boy comes to Whispering Pines camp but suddenly disappears, the cousins fear the worst. Legend says that Skull Cliff is haunted and as they sleep out under the stars they believe it ... an eerie howl is coming from the rocky crevices. Can they find the camper before it's too late?

This is #3 in the series.