Reacher Officially Returns in 1 Week Just 1 Month After Prime Video’s Neagley Spinoff

The Reacher spinoff Neagley premiered on Prime Video on September 16. Now, Lee Child is set to release a new book in his Jack Reacher series. The new installment is titled Chain Reaction, and it is set to release on October 20, 2026. Along with the author, his younger brother, Andrew Child, has also co-written the novel. Chain Reaction is the 31st installment in the series after In Too Deep (2024). The Jack Reacher series also has a shorter novella, Exit Strategy, which came out in 2025.

According to Penguin Random House, the new novel is being published by Bantam, Lee Child’s long-time publisher. Chain Reaction comes in 416 pages in US hardcover. Alongside the hardcover, the ebook and audiobook versions are also slated for release on October 20.

What Is Lee Child’s New Reacher Book About?

Alan Rithcson in Reacher | Credit: Prime Video

Chain Reaction follows Jack Reacher as he is contacted by an old flame, General Susan Turner, after one of her agents is killed during a covert mission. As her distrust in her own people grows, she turns to Reacher for a subsequent investigation into the murder.

Reacher ended up in the remote town of Summertown, Colorado. He discovers an unusual concentration of data centers and solar farms, and a dangerous conspiracy hiding behind them involving cybercriminals and billions of dollars. Notably, Chain Reaction marks Susan Turner’s return after a long time, following her personal history with Reacher.

How Neagley Expands Prime Video’s Reacher Universe

Maria Sten as Frances Neagley in Reacher Season 3 | Credits: Prime Video

Neagley, which is a spin-off series of Alan Ritchson’s Reacher, premiered on Prime Video on September 16. It follows Frances Neagley, a former military investigator who investigates the suspicious death of a childhood friend. Maria Sten stars as Frances Neagley in this series.

The spin-off expands Prime Video’s Reacher franchise by giving one of Jack Reacher’s closest allies her own standalone mystery. Alan Ritchson guest-stars as Reacher in Neagley. The series was renewed for Season 2 on October 1, 2026.

Meanwhile, the original Reacher series has also been renewed for Season 6, with Season 5 in development at Prime Video. Reacher Season 5 is based on Lee Child’s Make Me, the 20th installment in the Jack Reacher series.