Wonder Book  
1306 West Patrick Street
Frederick, MD 21702
301-694-5955

Named "One of Ten Great Used Bookstores" by USA Today in 2002, this large store features over 550,000 new, used, and rare books online, as well as over one million new, used, and rare books in three locations: two in Frederick and one in Hagerstown. They also carry a wide assortment of prints, videos, CDs, and audiobooks.