Jack is a young boy who lives in Frog Creek, Pennsylvania. He is the brother of Annie. Jack is the main male figure in all of the Magic Tree House adventures.

CharacterEdit

Jack is cautious and studious. He likes to make notes of important facts and think things through before taking action.and helping people in the time of need 

First Four Adventures Edit

When Jack was eight and a half years old, he and his sister discovered a mysterious tree house in the Frog Creek Wood. Jack and Annie entered the tree house and saw that it was filled with books. Jack wished on a dinosaur book and the tree house whisked them off to the time of the dinosaurs.