The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system!Titanic trouble! Jack and Annie are in for an exciting, scary, and sad adventure when the Magic Tree House whisks them back to the decks of the Titanic.Is there anything they can do to help the ill-fated ship? Will they be able to save anyone? Will they be able to save themselves? Did you know that there’s a Magic Tree House book for every kid?Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Super Edition: A longer and more dangerous adventure Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures