What do you consider the best Traveller supplement from all editions? What do you consider the essential Traveller supplements from your favourite (or least favourite) edition? What is the best third party material?

Do not feel obligated to post only one.

MT era Starship Operations Manual.

Citizens of the Imperium
76 Patrons
Both Library Data Supplements
The Traveller Adventure
All the Classic Alien Modules


Digest Groups' Starship Operators Guide
Digest Groups Alien books Vilani and Vargr
And Aslan and Solomani

Nearly all of the GURPS books except for Spinward Marches.

Quote from: Arduin;712763MT era Starship Operations Manual.

Oh, that book is rather clever. Sadly, I can't find a currently in print version of the supplement.

I always enjoyed the world-and-subsector generation systems from Book 6: Scouts.

For any version of Traveller, it is the CD-ROMs. For the price of a new hardbound book, you get everything on the buffet for that version of the game. The only things missing have been the DGP published material due to the licensing agreement. You have it all, so you can just pick and choose what fits for that particular setting of your Traveller game.

Traveller and other GDW products on CD_ROM can be found at this website.

Quote from: jeff37923;712774For any version of Traveller, it is the CD-ROMs. For the price of a new hardbound book, you get everything on the buffet for that version of the game. The only things missing have been the DGP published material due to the licensing agreement. You have it all, so you can just pick and choose what fits for that particular setting of your Traveller game.

Traveller and other GDW products on CD_ROM can be found at this website.

Which of the books from the CD do you consider the best and worth using in any version of the game?

LBB4: Mercenary, Traders and Gunboats, and 76 Patrons from CT; Mong, the 13mann Robots is particularly good.

Quote from: Crabbyapples;712775Which of the books from the CD do you consider the best and worth using in any version of the game?

World Tamer's Handbook and Fire, Fusion, & Steel from Traveller TNE, which is funny because I don't like TNE but have used those two books in everything else.

I'm not a fan of Marc Miller's Traveller (T4), but the Milieu 0 Campaign book is pretty solid.

The DGP supplements (World Builder's Handbook, Vilani and Vargr, Solomani and Aslan, Starship Operator's Manual) are, to me, the gold standard.  I absolutely love those books.

Despite never using the GURPS system, I'm also quite fond of the GURPS Traveller sourcebooks.  

I love the Mongoose main rulebook as well.

Several people have already mentioned some of my favorites.  You can't go wrong with any of the Digest Group Megatraveller books (The Starship Operators Manual stands out in particular), and the GURPS sourcebooks are really solid, too.

One that hasn't been mentioned yet, which I think is one of the best is Hard Times for Megatraveller.  If you absolutely have to see what happens when an interstellar society collapses towards a dark age, it is the book for you.  It is well thought out and a sobering view of the vulnerabilities of interdependent systems.


-TGA

Library Data supplement.  Doesn't really matter which edition you get of it.

Combination of the more detailed star system rules from CT's Book 6 - Scouts and the more detailed world generation rules from MT's World Builder's Guidebook (rare as hen's eggs, sadly, due to the nonsense situation with DGP's copyrights) really helps flesh out Traveller systems for me - they're great tools for turning that little list of numbers into both a detailed star system and a richly developed planet.

Quote from: Gypsy Knights Games;712867Despite never using the GURPS system, I'm also quite fond of the GURPS Traveller sourcebooks.  

GURPS: Space is still my go-to book for generating solar systems. It's faster than standard Traveller, more comprehensive and detailed, and it's chock full of other useful stuff as well. It has a permanent place with the Traveller LBBs on my bookshelf.