Cat Marnell reportedly sold her memoir, How to Murder Your Life, to Simon & Schuster for $500,00Taylor Berman3/31/13 9:31pmFiled to: Cat marnell561EditPromoteDismissUndismissHideShare to KinjaToggle Conversation toolsGo to permalinkCat Marnell reportedly sold her memoir, How to Murder Your Life, to Simon & Schuster for $500,000.Reply56 repliesLeave a reply