9) Great maps
12) First ladies
This award-winning science book is bubbling over with entertaining and educational experiments for budding scientists to follow at home or in the classroom.
Build a soap-powered sailboat, recreate the Solar System out of rubber bands, construct your own colorful kaleidoscope, or make mouthwatering monster marshmallows. Explore the whole range of imaginative activities offered.
A foreword by Jack Andraka, a teen award-winning inventor,
A unique guide to the extraordinary world of plants, from the smallest seeds to the tallest trees.
We couldn't live without plants. We need them for food, shelter, and even the air we breathe, yet we know surprisingly little about them. Why do thistles bristle with spines? How do some plants trap and eat insects? Did you know there are trees that are 5,000 years old? Trees, Leaves, Flowers & Seeds explores the mysterious world