As Morrissey didn’t say, some products are easier to sell than others. The latest Game of Thrones Big Book of Sex Scenes, that’s an easy sell. It’s a great title and, frankly, an SEO goldmine. The perv in all of us would love to read it – and we all know why you’re really tuning into the swords and sexing HBO show every week.

But then there are the difficult sells, the niche products that have to jostle their way through the competition and push into the limelight without customers falling asleep during their pitch. Without the proper nourishment, these speciality products will flounder like a fish in outer space.…