Sophia Amoruso's #Girlboss hit the shelves in 2014, featuring the Nasty Gal CEO sporting plenty of cleavage in a black dress, fists defiantly planted on her hips. Another new release, Sarah Ockler's young adult novel #Scandal, features two people kissing – one is conveniently labeled "Lucy", the other "Lucy's best friend's boyfriend".
These are attention-grabbing covers regardless of their titles. So why the hashtag? It's complicated. The hashtag alone won't bring in new readers, but it's a marketing hook that bridges the gap between online and offline reading, luring those used to the former towards the latter.