Jack and Annie travel back in time to a desert in the Middle East at the behest of Merlin who has given them a rhyme to help on their mission. There they meet a Bedouin tribe and learn about the way that they live. From camel rides and oases to ancient writings and dangerous sandstorms, here's another Magic Tree House filled with all the mystery, history, magic, and old-fashioned adventure that kids love to read about.

Mary Pope Osborne is the author of all the Magic Tree House books, as well as American Tall Tales and New York’s Bravest for Knopf. The author lives in Goshen, CT.Sal Murdocca has been illustrating and writing books for children for many years. He has illustrated every book in the Magic Tree House fiction series and the Magic Tree House Research Guide nonfiction companions. Sal and his wife Nancy are avid runners and have toured Europe on bicycles. He lives in Rockland County, NY.