MARY POPE OSBORNE and NATALIE POPE BOYCE are sisters who grew up on army posts all over the world. Mary is the author of more than 50 acclaimed books for children. Natalie has worked as a children's librarian and as a teacher of English and E.S.L.
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The #1 bestselling Magic Tree House series is ready to whisk you away through time with Jack and Annie in this two-volume compilation! #33 Narwhal on a Sunny Night When the magic tree house whisks Jack and Annie to Greenland, they're not su... SEE MORE