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.

Learn about presidents Washington, Lincoln and Obama. Reading quizzes, writing in academic formats, color-by-numbers, history timelines and designing monuments: This workbook has it all!

In this workbook, kids will practice geography skills, read up on US history, and learn a little city trivia while they're at it. Perfect for backseat entertainment!

This workbook helps kids transition from âlearning to readâ to âreading to learnâ by offering spotlights on different cities. It covers history, important landmarks, and fun facts.

Scale math heights using this workbook that's based on real measurements of U.S. geography. Kids rely on charts and data provided to answer word problems.

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!