With plenty of match-up activities and critical thinking in this life science series, your child will sort, categorize and learn about different strategies creatures use to survive.

Did you know there are 6 simple machines that make up every complicated gizmo out there? This book introduces the pulley, the lever, the screw, the wedge, the inclined plane and the wheel & axle.

Why does the earth spin? How is a rainbow formed? Feed the flame of curiosity in your child, and find out the answers to some of those age-old questions about how the world works.

This book orbits all sorts of outer space objects. Introduce kids to bits of space with this easy-to-read series that goes from Earth to nebula in light speed!

Boost reading skills while learning about earth sciences in this engaging fifth grade workbook!