Give the subject of energy a zap! This workbook offers a brief overview of energy, its sources and uses. With clear vocabulary and illustrations, it's a great introduction to what fuels us.

United States symbols include songs, buildings, documents and people. This introduction to the Constitution and national treasures keeps learning fun and manageable for your young citizens.

Explore Valentine's Day with this mix of puzzles, reading, recipes, printable valentines and more! With a balance of sweet and educational, this book makes the day perfectly palatable for 4th graders.

Celebrate the Summer Olympics with this activity book. Learn some history, get to know Olympic athletes and ready yourself with all the tools you need to host your very own backyard games!