The Mephisto Swamp Mystery: A Case Twins Teen Thriller Adventure

Trapped in a swamp. Hunted by a gang. Armed only with courage and cunning.

In their fourth adventure, identical twins Dan and Paul Case set out on a canoe trip into the eerie Mephisto Swamp, where they expect a quiet escape filled with fishing, nostalgia, and memories of their late father. But their peaceful trip turns into a deadly adventure when they stumble upon an abandoned sawmill - the secret base of a dangerous counterfeiting ring run by a criminal mastermind known only as The Profess...