Go the F*** to Sleep snagged the No. 1 spot on Amazon's best-seller list this week—almost a month before it hits bookshelves—and Rebekah Denn thinks she knows why. The 32-page book blends soothing rhymes with sleep-deprivation-induced obscenity, and the Internet-savvy attribute its early success to a viral PDF-sharing spree. "Nope," writes Denn, a parent of three, in the Christian Science Monitor. Her friends are all ordering copies, but it's because of the shared sense of suffering, not a sly marketing campaign.
Sleepless nights drove Go the F*** to Sleep's author, Adam Mansbach, to post a Facebook update that read, “Look out for my forthcoming children’s book, ‘Go the — to Sleep'”—and the universal response drove him to actually follow through. While waxing sentimental about her thirdborn, Denn's even considering buying a copy: "I want to remind myself, that yes, [parenting] really was hard—so hard that we all laughed just at the mere idea of a book that dared to be profane about such a topic." (Read more viral marketing stories.)