In "Killer Instinct" by Jennifer Lynn Barnes, the story revolves around 17-year-old Cassie Hobbes, a girl with a unique gift for profiling criminals. She is recruited by a secret government program that pairs her with a group of other gifted teens to help solve cold cases. As they work together, Cassie grapples with the dark side of her abilities and the moral implications of their work. When a series of murders linked to their investigations occur, Cassie must confront both the challenges of her gift and the threat that someone may be targeting her and her friends. This thrilling novel combines suspense, psychological elements, and the complexities of youth. [Generated by language model - please report any problems].

This book is part of a book series called The Naturals .

This book is aimed at children at US 9th grade-college graduate.

This book has been graded for interest at 12-17 years.

There are 400 pages in this book.

It is aimed at Young Adult readers. The term Young Adult (YA) is used for books which have the following characteristics: (1) aimed at ages 12-18 years, US grades 7-12, UK school years 8-15, (2) around 50-75k words long, (3) main character is aged 12-18 years, (4) topics include self-reflection, internal conflict vs external, analyzing life and its meaning, (5) point of view is often in the first person, and (6) swearing, violence, romance and sexuality are allowed.

This book was published in 2023 by Little, Brown Books for Young Readers .

Jennifer Lynn Barnes is the author of a dozen novels for young adults. She has advanced degrees in psychology, psychiatry, and cognitive science.