When it was an**unced a few months ago that Holly Madison was about to publish a tell-all book based on her years living in the Playboy Mansion as Hugh Hefner's main girlfriend, we knew that it was going to be a real zinger. As anticipated, Madison is dropping some serious grenades, as allegations of Drug use, Emotional Abuse and more are at the center of "Down the Rabbit Hole: Curious Adventures and Cautionary Tales of a Former Playboy Bunny".