Backgrounds of Faerûn: Children of the Planes

Publisher's blurb: Enrich your characters with this supplement containing backgrounds and subraces for eleven of the Forgotten Realms planar races: the angelic aasimar, the dark krinth, the diabolic fey'ri, the cursed shadar-kai, the fiendish tanarukk, the devilish tieflings, the varied genasi, the shadowy gloaming, the displaced dragonborn, the malefic durzagon, and the alien killoren!