The #1 bestselling Magic Tree House series for chapter book readers is ready to whisk you away across the world with Jack and Annie–this time to rescue little horses! Perfect for readers ages 6-9!The wind started to blow. . . and a new magical journey unfolds when the tree house lands in Mongolia, Jack and Annie can hear the drum beat of horses hoofs. The little horses of Mongolia are returning from near extinction and the kids get to meet the people who take care of them. But the horses are still in danger with wolves nearby. . . Can Jack and Annie protect the last of the little horses?