The Unsolved Mystery Club: Book 4: The Rivertown Adventurers

By William Graham

The Rivertown teenage adventurers-Annie, Oliver, and Ryan-are captivated by the mysterious disappearance of a local doctor and his family in the Amazon rainforest. With the help of Annie's magician mother Ophelia, the intrepid trio are transported to the Amazon to search for the family. Follow their journey as they deal with an unscrupulous boat captain, dangerous jungle creatures, a tribe who teaches them how to survive, and the final encounter with a hidden Amazon civilization founded by alien visitors from a distant galaxy.

• Format: Paperback
• Language: English
• ISBN: B0FGW9643S
• ISBN13: 9798291157039
• Release Date: July 2025
• Publisher: Independently Published
• Length: 84 Pages
• Weight: 0.27 lbs.
• Dimensions: 0.2" x 6.0" x 9.0"