Magic Tree House 6: Adventure on the Amazon

Eight-year-old Jack and his little sister, Annie, are playing in the woods when they find a mysterious tree house full of books. But these are no ordinary books . . . And this is no ordinary tree house . . .Jack and Annie might be on their scariest adventure yet - on the Amazon river! There are army ants, jaguars and piranas, as well as vampire bats, snakes and even crocodiles! And they've still g...