Whose Poo Is This?: The Mystery of the Desert Poo (Whose Poo Is This? #3)

Dr. Egg, Dr. Yang, and Dr. Woong are lost in the desert! Their only way out is to solve the mystery of the Golden Poo once and for all. Unfortunately, Poo Boy is up to his old tricks, so the poo mysteries this time are extra tricky, sandy, and sticky. Come learn about living things through the spectacular science of poo!