The photographer Dave Naz has created a book of photos that reveal expressive anal eroticism. Anal intercourse is the latest trend: increasingly many people are rediscovering the pleasures of the posterior. Magazines report on it and print tips for friction-free anal sex. Couples who engage in anal intercourse say that it gives extraordinarily intensive and ecstatic climaxes to their love lives. As these photos clearly show, anal is cool and fun!