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Nominated for the CWA Dagger Award 2023

'A wonderful book' - Guardian

Truth, murder and the birth of the lie detector

Henry Wilkens burst through the doors of the emergency room covered in his wife's blood. But was he a grieving husband, or a ruthless killer who'd conspired with bandits to have her murdered?

To find out, the San Francisco police turned to technology, and a new machine that had just been invented in Berkeley by a rookie detective, a visionary police chief, and a teenage magician with a showman's touch.

John Larson, Gus Vollmer and Leonarde Keeler hoped the lie detector would make the justice system fairer - but the flawed device soon grew too powerful for them to control. It poisoned their lives, turned fast friends into bitter enemies, and as it conquered America and the world, it transformed our relationship with the truth in ways that are still being felt.

As new forms of lie detection gain momentum in the present day, Tremors in the Blood reveals the incredible truth behind the creation of the polygraph, through gripping true crime cases featuring explosive gunfights, shocking twists and high-stakes courtroom drama.

Touching on psychology, technology and the science of the truth, Tremors in the Blood is a vibrant, atmospheric thriller, and a warning from history: be careful what you believe.

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Price Summary

  • We started tracking this book on March 16, 2023.
  • This book was £11.99 when we started tracking it.
  • The price of this book has changed 12 times in the past 699 days.
  • The current price of this book is £5.49 last checked 5 hours ago.
  • This lowest price this book has been offered at in the past year is £3.99.
  • The lowest price to date was £3.99 last reached on February 7, 2025.
  • This book has been £3.99 5 times since we started tracking it.
  • The highest price to date was £11.99 last reached on March 16, 2023.
  • This book has been £11.99 one time since we started tracking it.

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Additional Info

  • Text-to-Speech: Enabled
  • Lending: Disabled
  • Print Length: 352 Pages
  • File Size: 5,496 KB

We last verified the price of this book about 5 hours ago. At that time, the price was £5.49. This price is subject to change. The price displayed on the Amazon.co.uk website at the time of purchase is the price you will pay for this book. Please confirm the price before making any purchases.