Portia Da Costa 
Discipline of the Blue Book (Mills & Boon Spice Briefs) (3 Colors Sexy — Book 1) 

I can»t stop looking at it. This book I found tucked at the back of the bookshelf in our holiday cottage. I»m reading the Blue Book, or more accurately, looking at its pictures again and again. It must be based on some real need. Some real kink. Somebody must have wanted it. I think I do… Simon and Suzanne are in a committed relationship—even if the sex is a little predictable. But while on vacation at a secluded cabin they discover the Blue Book, an erotic tome filled with vintage photos of men disciplining their submissive. Both Simon and Suzanne are turned on by the sensual images of domination—leading to experiments of their own that reveal all their secret, wicked desires….