The Legends Reference page is a reference guide for Star Wars Legends books. It displays three specialized lists related to collecting Legends books:
Earliest SFBC Gutter Codes: A list of the earliest published SFBC titles and their earliest published gutter codes.
MMPBs Published Exclusively with the Legends Banner: A list of titles that were originally published only in MMPB format with the Legends Banner.
Titles Published Exclusively in MMPB Format: A list of books that were only as mass market paperbacks.
More information regarding SFBC books and SFBC exclusive books can be found on the SFBC page.