A BRAND NEW, FULL COLOR MAGIC TREE HOUSE ADVENTURE in the #1 bestselling chapter book series of all time! Jack and Annie are just regular kids . . . who have a magic tree house that whisks them through time and all over the world. But the magic is in danger! To save it, they must gather history's heroes, like famous fossil hunter Mary Anning, to save the wonder of curiosity and courage . . . before all hope is lost.

THREE ORDINARY KIDS.

A DANGEROUS THUNDERSTORM.

IMPORTANT ANCIENT SECRETS.

Time-traveling siblings Jack and Annie are on the hunt for a hero from history who can inspire the youth of Camelot. The magic tree house has whisked them back in time to 1812 . . . . where they've landed on a crumbling cliffside in the middle of a thunderstorm! They're rescued from danger by an inspiring young fossil hunter, Mary Anning. She is strong, hopeful, and friendly. To assist them on their quest, Mary promises to help Jack and Annie find a great explorer. But Mary's just a kid and her family is very, very poor. Can she really help them? And what is the great treasure she's hiding in her basement?
    A story about remaining hopeful in the face of great challenge, this newest Magic Tree House adventure shows how resilience, friendship, and following one's passion can change the world.