This set is being sold as-is in used condition. Some of the review books are moderately marked up, but the Lesson Book and the "High-Yield Science: Solutions and Extra Practice" book are practically untouched. Please see the condition description for more details:
The "Hi-Yield Science: Solutions and Extra Practice" book, the "Critical Analysis and Reasoning Skills Review" book, and the Noteboard Booklet are all in excellent condition with no visible markings.
The "MCAT Prep Lesson Book" has some notation and work done on pages 1-17. Pages 18-488 appear to be completely unmarked.
The following books have moderate marking and underlining, all done lightly in pencil:
General Chemistry Review
Biology Review
Biochemistry Review
Behavioral Sciences Review
Organic Chemistry Review
Physics and Math Review