Season of the Sandstorms is sixth book in the Merlin Missions. It was originally published as the 34th book of the combined Magic Tree House series.
Guided by a magic rhyme, Jack and Annie travel to ancient Baghdad on a mission to help the caliph disseminate wisdom to the world.
- The Golden Age
- Ships of the Desert
- Behind the Third Wall
- Room of the Tree
- House of Wisdom
- Before the Moon Rises
This book was originally published as book #34 of the Magic Tree House Series. In 2017 the books where Merlin sets the mission were separated from the main series and given their own numbering system.