SpineChillers Mysteries Series: A Haunted Mine is a Terrible Thing to Waste

Boone and Cali volunteered to help transform an old mining town into a summer camp for their church. But that was before they stumbled onto the secret underground tunnels, the ghost stories, and the legendary Madman of the Mine. Could a camp really be haunted? It was up to them to solve this mystery and turn Camp Fear into Camp Fearless!