Green Apple Books - San Francisco - Yelp
http://www.yelp.com/biz/ngUUOEyCHdLkGnO1I5M4Vg
"Welcome to Green Apple Books and Music. Our store on Clement Street in San Francisco has been a destination for bibliophiles for over 38 years. We buy, sell, and trade new and used books, CDs, and DVDs seven days a week."