The Traveller Book

Used, very good condition.
 
The Traveller Book consolidated the core rules (Books 1-2-3) into a single 8.5 x 11 book and added additional material on how-to-play the game. It also added the short adventures Shadows (from Double Adventure 1) and Exit Visa. 160 pages.
Classic Traveller (indeed, all of the Traveller editions including later editions) was inducted into the Adventure Gaming Hall of Fame in 1997 (on its 20th anniversary of its publication. Designer Marc Miller was inducted into the Hall of Fame in 1982.
Traveller was featured as part of Games Magazine's Games 100 in 1981, 1982, 1983, 1984, and 1991.