Available for immediate purchase. No individual sales. Educational materials for learning 2nd-year junior high school math and science in a private lesson format, with free videos. No writing or markings. - Title: Understanding 2nd-Year Junior High School Math Step by Step. - Title: Understanding 2nd-Year Junior High School Science Step by Step. - Features: Educational materials for learning in a private lesson format. - Included: Provision of free videos. Thank you for viewing.