Book 26 in the Magic Tree House series (2002) A novel by Mary Pope Osborne The Magic Tree House whisks Jack and Annie off to the mountains of Africa. There they run into a huge mountain gorilla! At first they don't know whether they should shake hands or turn tail. But the ominous-looking creature turns out to be surprisingly gentle. Not only that, the gorilla may be able to help them learn their next bit of magic, which Morgan has challenged them to do.
Book 22 in the Magic Tree House series (2000) A novel by Mary Pope Osborne If it's Wednesday, it must be Revolutionary War day. Jack and Annie, stars of the Magic Tree House series, are in for another adventure in their time- and space-traveling tree house. Mysterious magical librarian Morgan le Fay has set four new tasks for the siblings. Jack and Annie must find four special kinds of writing for Morgan's library in order to save Camelot, the ancient kingdom of King Arthur.
Book 17 in the Magic Tree House series (1999) A novel by Mary Pope Osborne The Magic Tree House whisks Jack and Annie away to the decks of that ill-fated ship, the Titanic. There they must help two children find their way to a lifeboat--all while they are in danger of becoming victims of that tragic night themselves.
The tenth book in the Magic Tree House series (1997) A novel by Mary Pope Osborne The saga and success of The Magic Tree House continues! The tenth adventure, Ghost Town at Sundown, is filled with the excitement, action, and fun facts always found in Magic Tree House books. Morgan le Fay has promised to make Jack and Annie masters of the tree house if they can solve four riddles. In Ghost Town at Sundown, the Magic Tree House whisks Jack and Annie back to a ghost town in the Wild West of the 1880s.
Book 12 in the Magic Tree House series (1998) A novel by Mary Pope Osborne The Magic Tree House transports Jack and Annie to the freezing Arctic. There, they must solve the final riddle to become master librarians. But it's not going to be easy--especially when they have cracking ice, a seal hunter, and a prodigious polar bear to deal with. Will they be able to solve the riddle before they get iced themselves?
