Thorough, bite size chunks for kids to do each day. They have done the planning and prep work for mom, making geography fun and allowing us to actually have time to do the 'fun' geography stuff that we just didn't get to much before.
In the first cahpter to teachers, there is some underlining. On a Notes pg. there are some notes(only on that one pg. Other than that the book is clean throughout and in excellent cond. no torn pgs., no water spots, etc.