In this book, kids can explore the fascinating world of nature--from why stars twinkle to what causes waves, from strange sea creatures to the world's oldest trees, from how much you'd weigh on Mars to how hard the wind can blow.

Reading Level: Grades 3-5

Interest Level: Ages 5-12

Format: Hard Cover

Pages: 96

Size: 8 1/4'' x 10 7/8''