The Serial Killer Support Group is a thrilling novel of friendship, loyalty, and murder, with twists galore and a brilliant brunch of female leads. It touches every possible emotion and pulls at the heart strings.

Format: Paperback / softback
Length: 384 pages
Publication date: 08 May 2025
Publisher: HarperCollins Publishers

A deliciously dark, twisty turny thriller with characters who leap off the page, John Marrs' The Serial Killer Support Group is a book that shines a light on a frightening and often hidden world. Therapy just got deadly when Jess Pendle agrees to attend a support group to meet other women who have lived similar experiences. The group has been set up for like-minded women to come together, but when their therapist leaves, they close the blinds and find a new, and altogether more deadly way to support each other. Read what readers are saying about The Serial Killer Support Group: "Has the reader on the edge of their seat screaming for justice and delivers a well-planned mid-point twist." "Fast paced, gory, and dare I say empowering!" "It's a thrilling novel of friendship, loyalty, rediscovery of self and murder." "The novel is frightening and hopeful all at once as we see the underbelly of society and what good people will do in the face of adversity!" "Vigilante justice and moral support, a one-stop shop!" "Domestic violence victims find a bit more than they thought in the support group that has become a lifeline, in many ways. You will root for them, feel for them, and cheer them!" "With twists galore, this book gets better with the turn of each page." "It had everything you could want in a thriller book, plenty of suspense, excellent characterisation and a brilliant brunch of female leads!" … This book touched every possible emotion and really pulled at my heart strings! Can't recommend enough! This was an easy 5 stars!

A deliciously dark, twisty turny thriller with characters who leap off the page

John Marrs' The Serial Killer Support Group is a book that shines a light on a frightening and often hidden world. Therapy just got deadly when Jess Pendle agrees to attend a support group to meet other women who have lived similar experiences. The group has been set up for like-minded women to come together, but when their therapist leaves, they close the blinds and find a new, and altogether more deadly way to support each other.

Read what readers are saying about The Serial Killer Support Group

"Has the reader on the edge of their seat screaming for justice and delivers a well-planned mid-point twist."

"Fast paced, gory, and dare I say empowering!"

"It's a thrilling novel of friendship, loyalty, rediscovery of self and murder."

"The novel is frightening and hopeful all at once as we see the underbelly of society and what good people will do in the face of adversity!"

"Vigilante justice and moral support, a one-stop shop!"

"Domestic violence victims find a bit more than they thought in the support group that has become a lifeline, in many ways. You will root for them, feel for them, and cheer them!"

"With twists galore, this book gets better with the turn of each page."

"It had everything you could want in a thriller book, plenty of suspense, excellent characterisation and a brilliant brunch of female leads!"

… This book touched every possible emotion and really pulled at my heart strings! Can't recommend enough! This was an easy 5 stars!

Weight: 252g
Dimension: 129 x 198 x 27 (mm)
ISBN-13: 9780008697464