Dirty Mind by Roe Horvat

Alexander Popescu is a university lecturer in a quiet German town. He’s a respectable man in his thirties who stays fit, has a decent career and travels alone—his only vice is an occasional greasy meal. And beer. And violent computer games. Nobody has to know about the other Alex—the acclaimed porn writer. His ingenious erotic fantasies earn him good money and keep his capricious mind harmlessly entertained.

When his young friend and protégé Christian transfers to Freiburg for medical school, Alex is overjoyed…and terrified that Christian will find out about Alex’s indecent alter ego. The time they spend together, as lovely as it is, could overturn Alex’s carefully balanced life. Suddenly, the writing is not good enough, his hair seems to be thinning, his careful hookups leave him unfulfilled, and his dreams are haunted by the innocent young man he’s vowed to protect.

However, Christian is not a boy any more. He’s a grown man of twenty-one, clever and deadly attractive. And he’s hiding some secrets of his own.