Magic Tree House 7: Mammoth to the Rescue. by Mary Pope Osborne. Author Mary Pope Osborne. Subtitle Mammoth to the Rescue. When the tree house lands in the freezing Ice Age, they have to hide from hunters and escape from a great cave bear.
Magic Tree House 7: Mammoth to the Rescue. by Mary Pope Osborne. Author Mary Pope Osborne. Subtitle Mammoth to the Rescue. When the tree house lands in the freezing Ice Age, they have to hide from hunters and escape from a great cave bear.