"CLUSTERF*CK is the first great thriller of 2026 It's a novel that truly lives up to its name."
"I was hooked from the very first line And loved the short chapters."
April-a married woman-never imagined that a simple encounter with a charming stranger would lead to a deadly partnership.
But when the self-assured Eddie approaches her, undeterred by her wedding ring, she can't resist his proposition.
As their twisted alliance unfolds, leaving a trail of death and destruction in its wake, it's impossible to tell who is actually pulling the strings.
With its unpredictable twists and turns, CLUSTERF*CK promises to be one of O'Sullivan's best novels yet