The Corps of Discovery kept journals on their two-year-long journey. This workbook challenges kids to flex their spelling and grammar skills while reading about the trip in the words of the men.

This workbook explores the myths, science, and history of our efforts to understand the skies with light reading. Introduce kids to gravity, moon phases and stars with basic activities and stories.

Learn all about the Revolutionary War with this exciting history workbook!

There are nuggets of California history in this here workbook! The California Gold Rush sets the stage to practice reading and social studies skills.

Get acquainted with the original GPS...maps! This geography workbook goes over all the fundamentals of finding your way, from cardinal directions to map scale, landforms and more.

American history gets a graphic-novel makeover in this workbook. Look at Paul Revere's ride with the famous poem, plus a comic that your child can complete about the real events of the midnight ride!