Little, Brown Books for Young Readers Killer Instinct (Standard Edition)
Little, Brown Books for Young Readers Killer Instinct (Standard Edition)

Killer Instinct (Standard Edition)

By Jennifer Lynn Barnes

$20.99

Publication Date: May 12, 2026

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Ages 14 And Up, Grades 9 to 17

A chilling copycat killer has the Naturals in his crosshairs in this exhilarating crime thriller from Jennifer Lynn Barnes, the #1 New York Times bestselling author of The Inheritance Games.

Seventeen-year-old Cassie Hobbes has a gift for profiling people. Her talent has landed her a spot in an elite FBI program for teens with innate crime-solving abilities, and into some harrowing situations. After barely escaping a confrontation with an unbalanced killer obsessed with her mother's murder, Cassie hopes she and the rest of the team can stick to solving cold cases from a distance.

But when victims of a brutal new serial killer start turning up, the Naturals are pulled into an active case that strikes too close to home: the killer is a perfect copycat of Dean's incarcerated father—a man he'd do anything to forget. Forced deeper into a murderer's psyche than ever before, will the Naturals be able to outsmart the enigmatic killer's brutal mind games before this copycat twists them into his web for good?

With her trademark wit, brilliant plotting, and twists that no one will see coming, Jennifer Lynn Barnes will keep you on the edge of your seats (and looking over your shoulders) as you race through the pages of this thrilling novel.

Catch every thrilling twist and turn of The Naturals series in:
  • The Naturals
  • Killer Instinct
  • All In
  • Bad Blood
  • Twelve (enovella) 
 
For more unputdownable series from Jennifer Lynn Barnes, don’t miss the beloved Inheritance Games Saga and The Debutantes duet.

About the Author

Jennifer Lynn Barnes is the #1 New York Times bestselling author of more than twenty-five acclaimed young adult novels, including the Inheritance Games Saga, the Debutantes series, The Lovely and the Lost, and the Naturals series. Jen is also a Fulbright Scholar with advanced degrees in psychology, psychiatry, and cognitive science. She received her PhD from Yale University in 2012 and was a professor of psychology and professional writing for many years. She invites you to visit her online at jenniferlynnbarnes.com or follow her on Instagram @authorjenlynnbarnes.

Format: Hardcover

Pages: 400

Publisher: Little, Brown Books for Young Readers

Publication Date: May 12, 2026

ISBN: 9780316603997

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