As the title of the book implies, the main theme is introducing the second-hand bookstores of Taipei, and throughout the book the focus is largely on second-hand books and second-hand bookstores. Fu discusses several topics from there, such as how to get into collecting old books, the history and development of Taipei's second-hand book fairs and second-hand bookstores, and several of the more historically important post-war publishing houses.
《蠹魚頭的舊書店地圖》顧名思義，主題是介紹台北的舊書店，全書以「舊書」和「舊書店」為兩大重點，談舊書蒐集如何入門、台北舊書市集與舊書店的歷史演進、戰後幾家已走入歷史的重要出版社。