North American Product Classification System (NAPCS) Canada [Provisional Version 0.1]

• 512 - Internet, software and other computer related services
• 519011 - Internet publishing and broadcasting services

519011.30 - Adult trade books, in electronic and other media

Books of general interest published and stored in a physical media, including, but not limited to, CD-ROM, diskette, audio cassette, and microform, for consumption by the adult public at large. Includes literary fiction and non-fiction; poetry and drama; religious books, bibles and hymnals; non-fiction such as history, politics, biography, home and garden, how-to books, cook books, travel guides, etc.