The Followers of the Apocalypse, in particular Candice, are very interested in what is out in the wasteland. Any new information that pertains to the war is of great interest to the FOA. Candice will reward the player with books to repay the player for giving her information about things like the BOMB project, the Twin Mothers, etc. Perhaps if the player gives Candice a lot of information, then the player can get the Epithet of Wasteland Scribe.
Character type completion breakdown
Combat, Diplomacy, Stealth, Science Boy - Just play the game, don't kill Candice and Dodge's people, and come back to Candice every once in a while to update her on wasteland history.