This is a set of Lifepac AOP Grade 8 History & Geography-Student Books units 6-10 and Teacher’s Guide. They are not written in. The printing dates vary. Unit 6 printed February 2006 Unit 7 printed May 2006 Unit 8 printed May 2006 Unit 9 printed May 2006 Unit 10 printed August 2004 Teacher’s Guide February 2011 H12