When Amazon’s CreateSpace helped power the self-published The Rabbit Who Wants to Fall Asleep to the top of the charts it was a sweet story, but self-published print success has taken on a different face this month, with a wave of “swear word” coloring books. One Swear Word Adult Coloring Book sold enough units to enter Nielsen Bookscan’s overall bestseller list at No. 54 for the sales week ending January 24. That same title was No. 1 on Amazon’s weekly bestseller list (the real one, that counts actual sales over the course of a full week) for the same sales week […]