Amazon.com ReviewWanting to understand the most fundamental questions of the universe isn't the province of ivory-tower intellectuals alone, as this book's enormous popularity has ...
Jack and Annie travel back in time to a desert in the Middle East at the behest of Merlin who has given them a rhyme to help on their mission. There they meet a Bedouin tribe an...
How are an octopus and a squid different? What kinds of creatures live in the deepest abyss of the ocean? What do scientists say some legendary sea monsters really are? Find out th...
Jack and Annie are ready for their next fantasy adventure in the bestselling middle-grade series--the Magic Tree House! It's a treasure trove of trouble!Jack and Annie are in for a...
Jack and Annie are ready for their next fantasy adventure in the bestselling middle-grade series--the Magic Tree House! Have you ever met a real live ninja?Jack and Annie do when t...
Merlin sends Jack and Annie on a mysterious mission to Paris, France, over a hundred years ago. There they must find four magicians and give them an urgent message from Merlin h...
Jack and Annie are ready for their next fantasy adventure in the bestselling middle-grade series--the Magic Tree House! Jack and Annie don't need another mummy.But that's what they...
Jack and Annie head to 18th-century Austria, where they must find and help a musician by the name of Mozart. Decked out in the craziest outfits they’ve ever worn—including a wig...
JACK AND ANNIE are on a mission to save Merlin from his sorrows! Charged with finding the second of four secrets of happiness, the brother-and-sister team travel back in the mag...