The AGS Practical Guide to Better English Level 4 Workbook and Answer Key is a trade paperback book designed for education purposes. Authored by American Guidance Service and published by AGS, this workbook focuses on improving English language skills. With a specific emphasis on practical learning strategies, this workbook is intended for individuals looking to enhance their English proficiency at a Level 4 competency. The included answer key provides guidance and support for readers to successfully complete the exercises and activities within the workbook. Some writing on the front cover, everything else is clean and unused.