
Book guide
Twelve
Twelve-year-old Mackenzie McBride sees murder where everyone else sees suicide, and only the Naturals can prove she’s right.
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About Twelve
Years after the FBI first changed her life, Cassie Hobbes is no longer just one of the Naturals — she is helping shape the next generation of gifted young profilers. But when a desperate girl named Mackenzie McBride climbs to the top of a lighthouse and refuses to come down, Cassie and her team are pulled into a case that feels disturbingly personal. Mackenzie is convinced a string of deaths in her Maine town are not suicides, but murders. No one believes her — except the Naturals know better than most what it means to be a traumatised child with an impossible truth. With a storm closing in and time running out, Cassie, Michael, Dean, Sloane, Lia, and Celine must untangle a deadly mystery before another young life is lost. Sharp, tense, and emotionally charged, Twelve returns readers to Jennifer Lynn Barnes’s addictive world of psychological profiling, buried trauma, and murder investigations where seeing what others miss can be the only thing standing between life and death.
Reading signals
- Spice
- None
- Darkness
- Dark
- Pacing
- Fast
Series
The Naturals · Book 4.5 of 5
Content warnings
- suicide
- suicidal thoughts
- self-harm
- kidnapping
- confinement
- blood
- gaslighting
- body horror
- murder
- death



