You are buying a vintage Revised 1957 Allen Power-tune Course for Modern Engine Servicing Manual Guide. There is some cosmetic wear present from usage, age and storage. Refer to pictures for details as this is the exact item you will receive. Please ask any questions prior to buying, and I will answer them quickly and to the best of my ability.    

Buy with confidence. My rating means a lot to me, and my goal is to make this a great transaction for everyone involved.