-- this   Discover history, mystery, humor, and baseball in this one-of-a-kind adventure in Mary Pope Osborne’s New York Times   Magic Tree House books, with fiction and nonfiction titles, are perfect for parents and teachers using the Core Curriculum. With a blend of magic, adventure, history, science, danger, and cuteness, the topics range from kid pleasers (pirates, the Titanic, pandas) to curriculum perfect (rain forest, American Revolution,...