Mystery of the Abecedarian Academy

The boys are back. The truth is buried deep. And the trail is anything but cold.The Salvage Yard is still there. So is the secret headquarters. And so are the Three Investigators—smarter than ever, a little older, and ready for their most challenging cases yet.Conceived and co-written by Elizabeth Arthur, the daughter of Robert Arthur, the creator of the Three Investigators universe, this exciting...