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 24 in the Magic Tree House series (2001) A novel by Mary Pope Osborne The year is 1906, the place is San Francisco. Annie and her brother, Jack, have just traveled here in their magic tree house, on a mission from Morgan le Fay, the mysterious magical librarian from King Arthur's time. In an effort to save Camelot, the children have already found three special kinds of writing for Morgan's library: something to follow (Civil War on Sunday), something to send, and something to learn.
Book 23 in the Magic Tree House series (2001) A novel by Mary Pope Osborne In the third book of the American history cluster, Jack and Annie are whisked to a midwestern prairie in the 1870s. They visit a one-room schoolhouse and learn about the hard life of the pioneers. When they return to the magic tree house, Jack and Annie spot a twister on the horizon. Is there time to warn the teacher and the children back at the schoolhouse? Or should Jack and Annie just save themselves?
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.
