A Serial Killer's Guide to Marriage

“An invaluable manual that I return to again and again.”—Hugh Grant

“Sexy, stylish, thrilling, and funny . . . Asia Mackay rips up the rulebook in this wildly original, razor-sharp tale of marriage and murder, mundanity and mayhem. I loved it.”—Chris Whitaker, New York Times bestselling author of All the Colors of the Dark

“Certain to be your sassy, twisted must-read of 2025.”—Janice Hallett, bestselling author of The Appeal

“Murder has never been so funny. If you liked Mr. & Mrs. Smith, you’ll love this original and darkly funny thriller.”—Clare Mackintosh, New York Times bestselling author of Hostage

“A killer idea! This is a laugh-out-loud page-turner that has insightful things to say about modern motherhood and marriage. A dark, twisted riot—I loved it from cover to cover!”—Ellery Lloyd, New York Times bestselling author of The Club

“Whip-smart and laugh-out-loud funny . . . I loved every page of this slick, witty thriller.”—Andrea Mara, author of Someone in the Attic

“I absolutely gobbled up this darkly funny and clever thriller about one of the most dysfunctional marriages to ever make it onto the page. Loved it.”—Katy Brent, bestselling author of How to Kill Men and Get Away with It

“So razor sharp, it had me reaching for the plasters. . . . A fresh and original voice in a genre we’re all fascinated with.”—John Marrs, bestselling author of What Lies Between Us

“Huge fun with a dark beating heart, a game of cat and mouse with sharpened tooth and claw . . . You won’t dare to put it down.”—Harriet Tyce, bestselling author of Blood Orange

“A Serial Killer’s Guide to Marriage had me from page one. It was enthralling, exciting, and so totally badass. Mackay’s writing is so compelling and engrossing, and she writes characters that continue to live rent free in your head.”—Lucy Vine, author of Seven Exes

“Wildly entertaining . . . Mackay brilliantly exaggerates the stifling aspects of parenthood through the eyes of her charismatic killers, wringing both laughs and pathos from her deliciously outlandish premise. This is sensational.”―Publishers Weekly, starred review

“A dark comedy indeed . . . As a metaphor for modern family life, it’s entertainingly astute. Fans of Mr. and Mrs. Smith, this one’s for you.”—Kirkus Reviews