This is "Physics Level-Specific Problem Collection 2: Standard Edition" from Toshin Books. It is written by Junichiro Hashimoto, an instructor at Toshin High School and Toshin Satellite Prep School. This problem collection is useful for studying high school physics and contains standard-level problems. [Product Name] Physics Level-Specific Problem Collection 2: Standard Edition [Author] Junichiro Hashimoto [Publisher] Toshin Books [Condition] The cover has some minor scuffs and corner wear, but the inside is relatively clean with no writing. The problem collection and answer key are included. Thank you.