The #1 bestselling Magic Tree House series is ready to whisk you away across the world with Jack and Annie--this time to the African savanna! Jack and Annie are on the playground at recess when they feel the magic tree house calling them. They sneak away and are whisked off on an adventure to South Africa, where a majestic rhino needs saving! With a hovering helicopter, watchful park rangers, and the chilling presence of poachers, rescuing one of Earth's greatest giants in the sprawling savanna won't be easy. Jack and Annie are going to need a little bit of magic for this mission! Did you know that there's a Magic Tree House book for every kid?Magic Tree House: Perfect for readers who are just beginning chapter booksMerlin Missions: More challenging adventures for the experienced readerFact Trackers: Nonfiction companions to your favorite Magic Tree House adventuresIf you're looking for Merlin Mission #37: Dragon of the Red Dawn, it was renumbered as Merlin Mission #9 when the series was rebranded in 2017.