Stepbrothers Series:

Her Stepbrothers Are Aliens Her Stepbrothers Are Angels Her Stepbrothers Are Blood Suckers Her Stepbrothers Are Demons
Her Stepbrothers Are Dragons Her Stepbrothers Are Sabre Tooth Tigers Her Stepbrothers Are Werewolves Her Stepbrothers' Demands
Paranormal Stepbrothers Omnibus: Volume One