NOTE: If you are a returning Sonlighter who has already used Intro to World History, Year 1 of 2 (HBL B) , this is the package for you. If this is your first year of Sonlight, you'll want the 3rd Grade All-Subjects Package with History B+C instead of this package. Complete 3rd grade homeschool curriculum in one quick o Sonlight resource: https://www.sonlight.com/products/third-grade-all-subjects-package-history-c