The second volume in the Classic Traveller Reprints is The Classic Supplements 1-13. It includes:

• Supplement 1. 1001 Characters. Pre-generation characters for Traveller. Plus a quiz: identify the nine characters (from classic science-fiction novels) presented in Traveller terms.
• Supplement 2. Animal Encounters Pre-generated animal encounter tables (they are tedious to produce, but handy to have).
• Supplement 3. The Spinward Marches Starmaps (subsector maps) of an entire sector, plus world names and Universal World Profiles.
• Supplement 4. Citizens of the Imperium Character generation tables for 12 character types: Pirates, Belters, Surface Navy, Diplomats, Doctors, Flyers, Barbarians, Bureaucrats, Rogues, Nobles, Scientists, and Hunters. Plus rules for Bow Weapons. Plus another "Identify The Character" quiz, and answers to this quiz and the one in Supplement 1.
• Supplement 5. Azhanti High Lightning Never sold in stores alone; included in the boxed game Azhanti High Lightning. The details and deck plan descriptions of the AHL class frontier cruisers.
• Supplement 6. 76 Patrons. A collection of patron encounters for use in Traveller campaigns.
• Supplement 7. Traders & Gunboats. TDeck plans and descriptions for eight starships: Express Boat, Express Boat Tender, Scout/Courier, Subsidized Merchant (Fat Trader), Far Trader, Seker (for Asteroid Prospecting), Close Escort (the Gazelle Class), and System Defense Boat. Plus small craft deck plans: Launch, Ship's Boat, Pinnace, and Cutter.
• Supplement 8. Library Data (A-M). Encyclopedic Data, including a Chronology, and special articles on the Solomani and the Megacorporations. Also includes a list of the Emperors of the Third Imperium.
• Supplement 9. Fighting Ships. Information about the Imperial Navy, and images and descriptions of 28 ships from Destroyer to Dreadnaught.
• Supplement 10. The Solomani Rim. Starmaps (subsector maps) of an entire sector, plus world names and Universal World Profiles.
• Supplement 11. Library Data (N-Z). Encyclopedic Data, including a Map of Known Space, maps of the Spinward Marches and the Solomani Rim, a special article on the Imperial Nobility.
• Supplement 12. Forms and Charts. Blank forms for Characters, Starships, Mapping, and other miscellaneous uses. Plus the Imperial Calendar.
• Supplement 13. Veterans Pre-generated characters for Traveller using the Mercenary Advanced Character Generation System.