I'm selling these books because I'm finished with my entrance exams and was planning to throw them away, but I thought it would be a waste. I've done a quick check and they seem to be in good condition. However, I haven't checked every page, so please forgive me if there are any writings or markings. The following is automatically generated by AI: This is a set of science, chemistry, and biology reference books perfect for junior high school entrance exam preparation. - Title: Really Interesting Science for Junior High School Entrance Exams - Title: Biology - Title: Chemistry Thank you for looking.