The #1 bestselling Magic Tree House series is ready to whisk you away with Jack and Annie! This time, meet famous explorer Leif Erikson and help save a narwhal!

Track the facts about the unicorn of the sea--the narwhal--and its closest relatives! When Jack and Annie came back from their adventure in Magic Tree House #33

Travel back in time in the magic tree house with Jack and Annie in this #1 bestselling series and meet the greatest warriors of all--the Romans! We are warriors

The #1 bestselling Magic Tree House series is ready to whisk you away through time with Jack and Annie--this time to South America! When the magic tree house wh

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Jack and Annie head back in time