I've found a lot of three person stuff out there in the romance/erotica world that I really like, but your tastes may differ.
Lots of dire stuff too of course.
Several of Emma Holly's books - I'd say Demon's Fire (Although it's way richer with the backstory from The Demon's Daughter and Prince of Ice).
Fairyville also.
Menage - hmm - can't quite address it without spoilers but it certainly should be included in queer romance in my opinion.
http://www.racyromancereviews.com/2009/06/18/polyamory-menage-erotic-romance-and-culture/ is an interesting article on the subject in "genre romance" and the comments discuss a range of books that might work for you as three person romances.
no subject
Lots of dire stuff too of course.
Several of Emma Holly's books - I'd say Demon's Fire (Although it's way richer with the backstory from The Demon's Daughter and Prince of Ice).
Fairyville also.
Menage - hmm - can't quite address it without spoilers but it certainly should be included in queer romance in my opinion.
http://www.racyromancereviews.com/2009/06/18/polyamory-menage-erotic-romance-and-culture/
is an interesting article on the subject in "genre romance" and the comments discuss a range of books that might work for you as three person romances.