Cat Marnell is a drug-addicted writer whose book proposal snagged her a $ book deal for her memoir called “How To Murder Your Life. “Between you and me,” writes Cat Marnell in the book proposal which netted her a $ advance from Simon & Schuster, “half the time I feel very little remor. Cat MarnellПотвърден профил. @Cat_Marnell. WRITER / WIZARD