Magic Tree House Series

Book 21

Guerra Civil En Domingo (Civil War on Sunday)

Revolutionary War on Wednesday

Guerra Revolucionaria En Miercoles

Guerra Revolucionaria En Miercoles (Revolutionary War on Wednesday)

Tornado En Martes (Twister on Tuesday)

Earthquake in the Early Morning

Terremoto Al Amanecer (Earthquake in the Early Morning)

Stage Fright on a Summer Night

In their magic treehouse, Jack and Annie are again transported to King Arthur's realm, where invisible beings, giant ravens, and mistaken magic spells have a duke's castle in an uproar on Halloween night.

Book 31

Summer of the Sea Serpent

by Mary Pope Osborne

Published 9 March 2004

Jack and Annie travel in their magic tree house to the land of the mystical selkies to seek a magical sword for Merlin.

Book 32

Winter of the Ice Wizard

by Mary Pope Osborne

Published 28 September 2004

Jack and Annie are joined by Teddy and Kathleen as they travel to the snowy Land-Behind-the-Clouds, where they search for the eye of the Ice Wizard and attempt to help Merlin and Morgan.

Book 33

Carnival at Candlelight

by Mary Pope Osborne

Published 1 January 2005

While on a mission to prove to Merlin that they can use magic wisely, Jack and Annie travel to seventeenth-century Venice, Italy, to save the city from disaster.

Book 34

Season of the Sandstorms

by Mary Pope Osborne

Published 28 June 2005

Guided by a magic rhyme, Jack and Annie travel to ancient Baghdad on a mission to help the Caliph disseminate wisdom to the world.