Mass Effect FATE - In The Shadow of the Shepard
Military Intelligence (game manual and informative material)
Rules and Background
1. Mass Effect RPG – FATE found at: http://masseffectrpg.org/
2. Codex and Mass Effect Wikia – found at http://masseffect.wikia.com/wiki/Codex
3. YouTube Let’s Play Videos- https://www.youtube.com/results?search_query=let%27s+play+mass+effect
And of course the Mass Effect Trilogy. If this game piques your interest, they have an inexpensive trilogy edition on sale that includes all three games.