Mystery on the Trail - Sydney Campanella - Bog

Teresa and Matt Jones are excited about hiking the Appalachian Trail with their family. When Rusty, their golden retriever, turns up with a map, Teresa and her brother discover a series of hidden camps and find themselves in the midst of a new mystery. Teresa and Matt meet friends along the trail and have fun adventures, but struggle with their sibling relationship. The issues between them escalate just as Matt learns a secret about his new friend that sends both boys into a life-threatening situation.