Tantor Audio is a well-known publisher of unabridged audiobooks. They offer their books in both Audio CD and Mp3-CD formats. Tantor has an extensive and expanding collection of titles in various genres such as history, classics, nonfiction, and fiction. Their audiobooks cater to both consumers and library markets. Additionally, Tantor Audio is also known as Tantor Media and provides mp3 audiobooks for those who prefer digital formats.