Buckle up for Underdogs, an adrenaline-fueled action-thriller from the Sunday Times bestselling author of the Spider Shepherd series. Perfect for fans of Lee Child and James Patterson.

'He has the uncanny knack of producing plots that are all too real' - DAILY MAIL

'A writer at the top of his game' - SUNDAY EXPRESS

'Kickass action, high stakes and nail-biting excitement. Underdogs delivers on all with flying colors and then some' - BEST THRILLER BOOKS

Underestimate this underdog at your peril . . .

Once a fearless SAS hero, Andy 'Deadman' Bird now battles the harsh streets of London after a catastrophic mission stripped him of his hearing, career, home and marriage. His only solace is Tyson, his fiercely loyal and battle-tested dog.

When fate thrusts them into the path of a chilling alleyway murder, Andy and Tyson become the next targets. Who are these relentless hunters, and what dangerous secrets are they willing to kill for?

Desperate and cornered, Andy reaches out to his former brothers-in-arms - a team who owe him their very lives. But as they unravel a sinister web of organised crime and deadly political plots, who will be saving who this time?

Praise for Stephen Leather

'Grabs the reader by the throat' - Daily Mail

'Explosive' - The Sun

'Enthralling' - Financial Times

'A master of the thriller genre' - Irish Times

'Leather's battered hero and his loyal dog power through a gritty thriller about unfinished business' - The i Paper

Andy 'Birdman' Bird finds himself in a situation even more dangerous than his former SAS days, when witnessing a murder draws him and his loyal dog Tyson into a web of organised crime, geopolitics, and unfathomable dangers . . . From Sunday Times bestseller Stephen Leather comes a gripping new action-thriller

About the Author
Stephen Leather is an ebook and Sunday Times bestseller and author of the critically acclaimed Dan 'Spider' Shepherd series, including titles like Hard Landing and First Strike, and the Jack Nightingale supernatural detective novels. Before becoming a novelist he was a journalist for more than ten years on newspapers such as The Times, the Daily Mirror, the Glasgow Herald, the Daily Mail and the South China Morning Post in Hong Kong. His titles have topped the Amazon Kindle charts in the UK and the US, and his bestsellers have been translated into fifteen languages.

Reviews
It wouldn't be a Stephen Leather story without kickass action, high stakes and nail-biting excitement. Underdogs delivers on all with flying colors and then some. As soon as you start your journey with Underdogs, you're only going to put it down once you've run out of pages to flip * Best Thriller Books *
Leather's battered hero and his loyal dog power through a gritty thriller about unfinished business (*selected by the i Paper as a Best New Crime and Thriller Read for February 2026*) * The i Paper *
He has the uncanny knack of producing plots that are all too real * Daily Mail *
A writer at the top of his game * Sunday Express *



Book Information
ISBN 9781035083305
Author Stephen Leather
Format Hardback
Page Count 304
Imprint Macmillan
Publisher Pan Macmillan
Weight(grams) 494g
Dimensions(mm) 246mm * 164mm * 30mm