NOTE: If you are a returning Sonlighter who has already used Intro to American History, Year 1 of 2 (HBL D) , this is the package for you. If this is your first year of Sonlight, you'll want the 5th Grade All-Subjects Package with History D+E instead of this package. Complete 5th grade homeschool curriculum in one quic Sonlight resource: https://www.sonlight.com/products/fifth-grade-all-subjects-package-history-e