1)lisayee, author of Millicent Min, Girl Genius
2)the YA literature blog "Avenging Sybil" -- which specifically addresses the representation of female sexuality in teen fiction (avengingsybil)
3) connorgal, whose blog is focused on YA fiction, including lots on LGBT subjects and issues
And to repeat what's said already below, the LJ is just for purposes of the friends list, which is all teen fiction-related. Go to the yawriterblogs community to find even more blogs on similar topics.
My regular blog is at
or check out the LJ syndication at elockhar