Traveller science fiction game publications
"Traveller" is an Origins Award winning science fiction role-playing game published by Game Designers' Workshop (GDW) in 1977. It is a time when interstellar travel has become possible and Humaniti has met other starfaring races. "Traveller: 2300" portrayed humans as technologically advanced, but having a level of civilization not very far above the present day. Later publishers introduced additional material along the Official Traveller Universe timeline. In 2008, Mongoose Publishing reintroduced GDW's popular look and indexing feature separating publications into familiar Books, Supplements, and Adventures. Far Future Enterprises (FFE), has republished GDW's "Traveller" publications.
Classic Traveller.
There were four editions of the Classic Traveller rules sets: 
Books.
Basic Traveller comprised three black digest-sized books (1,2,3) that were not sold separately. The subsequent books presented additional rules on specific subjects, expanding on Traveller's basic concepts. They run 48 to 56 pages and require the basic rules sets. In addition to the core books, six more were published. FFE published all nine as a single volume in 2000. With the digest-sized format and color of the books, they became known as "little black books".
Supplements.
Supplements provide different types of data, including starships, starsystems, characters, and animals in pre-generated form. Thirteen were published, but Supplement 5 "Lightning Class Cruisers" was only available as part of the "Azhanti High Lightning" board game. These were in "little black book" format. FFE published all thirteen as a single volume in 2000.
Special Supplements.
Short presentations on specific topics, originally appearing in the Journal of the Travellers' Aid Society (JTAS). Four were produced.
Additionally, articles were compiled from the "Journal of the Travellers' Aid Society" in "Best of the Journal of the Traveller's Aid Society, Volume 1" (1981), "Best of the Journal of the Traveller's Aid Society, Volume 2" (1982), "Best of the Journal of the Traveller's Aid Society, Volume 3" (1983), and "Best of the Journal of the Traveller's Aid Society, Volume 4" (1984).
Adventures.
Adventures provided interesting and challenging situations through which more information about the setting would unfold. Fourteen were produced. These were in "little black book" format. FFE published all foureen as a single volume in 2000. 
Double Adventures.
These combined two short adventures in a single 48-page book. Eight titles were produced, two in 2001, with one of those only a single adventure. Their tête-bêche format was popularised by the Ace Double sci-fi novels of the 1950s. These were in "little black book" format. FFE published all eight, plus Special Supplements 1-3, as a single volume in 2001. 
Alien Modules.
Each introduced a new alien race to players and referees, complete with character generation, history and background, language material, and an adventure. Eight were produced. FFE published all eight in two volumes volume in 2001. 
Modules.
Modules provided larger adventures and additional materials. Five were produced.
Boardgames.
GDW was a boardgame publisher long before it published "Traveller", and as a result it published eight "Traveller" boardgames. FFE published all eight as a single volume in 2000.
Specials.
GDW produced a variety of support materials of Traveller.
Traveller: 2300 (2nd edition renamed to 2300 AD).
Sourcebooks
Adventures
(E)-Earth (cyberpunk subgenre) ;br ;
(K)-Kafer War
Traveller20.
Downloadable products
Mongoose Traveller.
Books.
Little Black Books (LBB)
Supplements
Adventures
Third Imperium
Traveller 2300
References.
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