Petoony P Pinemore in the Mystery of the Old Man in the Woods
Petoony and her best friend find stolen jewelry from a robbery, while hiking. They befriend a homeless man and his dog, living in a shack along the trail. The old man gets accused of the robbery and Petoony and Crystel set out to prove his innocence, after discovering clues from the real thieves. The dog plays an important role in the story.