Book 7
 
 
 
Written by Mary Pope Osbourn
 
 
 
The Ice Age is very cool…for two kids in bathing suits! Jack and Annie nearly freeze when the Magic Tree House whisks them back to the time of cave people and woolly mammoths. But nothing can stop them from having another wild adventure—not even a saber-toothed tiger!
 
 
 
Paperback