Stallion by Starlight — Mary Pope Osborne

A new mission for Jack and Annie ...

Merlin the Magician needs to discover the secret of greatness, and he's counting on Jack and Annie to find it for him. When the magic tree house whisks them back in time to meet Alexander the Great, they discover that he is bossy, vain, and not great at all! How can the brother and sister find out about greatness from him?

It's going to take a wild black stallion, magic from Merlin, and a lot of bravery to succeed. Are Jack and Annie brave and smart enough to complete the mission? You bet!

Mary Pope Osborne has crafted another exciting adventure that blends fantasy and facts in the series that has set kids on the path to reading for over twenty years!