R.W. Clinger 
Bearology 101 [EPUB ebook] 

Adorable, blond, and bearish Matthew Blake claims he studies "Bearology, " the communication between sexy, hot, and hairy men. His lover, Officer Nick Rook, is a pretty easy-going bear who adores Matthew. They have an open relationship, which prompts Matthew to seek out a few bears for further study.He brings home Andy De Bane, who owns and operates a bar called The Bear Den. Matthew and Andy seem to hit it off with much zeal and create some bearology of their own. Add in Nick, and the sparks fly. Two lovers, Parker and James, also have their sights (and claws) set on Matthew.To promote his studies, Matthew hosts a party for all the bears he and Nick have met. Through drinking, talking, flirting, and sexual companionship, they will discover romance and more among the sexiest of men.