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.

What on Earth? This reading comprehension work revolves around facts and myths about our own planet. Extend your child's reading skills and help ideas take root with this down-to-earth workbook.