Chain Reaction

Chain Reaction

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by Lee Child and Andrew Child

Jack Reacher series #31

published October 2026

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Chain Reaction is book 31 in the New York Times bestselling series Jack Reacher by Lee Child, now completely taken over by Andrew Child. Reacher is always on the run, and this time his direction is Colorado, while General Susan Turner is hot on his tail.

Jack Reacher is hard to find. It’s not easy to track him down. And he likes it that way.

But General Susan Turner, based deep inside the Pentagon, has the means and the motive.

She needs his help. A member of her team has been brutally murdered on covert duty. She can’t trust anyone she works with, not even her deputy. She needs someone from the outside. Someone who solves problems and disappears without a trace.

Reacher heads to Summertown, Colorado. A town as remote and bizarre as it gets. One diner, one motel, five massive data centres, two giant solar farms humming away in the dust. Total population: four people. And one of them is watching him.

But Reacher isn’t built to run. He’s built to finish things.

General Turner knows: if they come for him, they’ll regret it – all the way to the top of the chain.

*CHAIN REACTION – the brand new Reacher novel, available to pre-order now!*