The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! It's sink or swim for Jack and Annie when the Magic Tree House whisks them off to the middle of the ocean. Luckily, they find a mini-submarine on a coral reef. Unluckily, they are about to meet a giant octopus and one very hungry shark. Will the dolphins save the da…
The Series meets National Curriculum Standards for: Science: Earth and Space Science History and Nature of Science Life Science Science and Technology Science in Personal and Social Perspectives Social Studies: People, Places, & Environments Production, Distribution, & Consumption Science, Technology, & Society Time, Continuity, & Change
Clink! Clankety-bang! Thump-whirr! That's the sound of Papa at work. Although he is an inventor, he has never made anything that works perfectly, and that's because he hasn't yet found a truly fantastic idea. But when he takes his family fishing on Lake Michigan, his daughter Virena asks, "Have you ever wondered what it's like to be a fish?"—and Papa is off to his workshop. With a lot of per…