wonderful book ... tells the story of the lie detector, from the first, gripping murder case for which it was conceived, up to its use today in the justice system." -
Guardian"Certainly demonstrates how easily the polygraph can be manipulated...deploys its twists and maintains suspense with some skill....
Katwala tells his various tales with admirable lucidity....rich with colourful incidental detail."
Telegraph"Tremors in the Blood, a cautionary tale about the limits of technology and the fallibility of humans,
is as dramatic as any thriller".
Times"
With a cinematic narrative style that often reads more like a thriller than a work of history...Katwala charts how the (polygraph) machine tore apart the lives of the men who invented it, and explores how it led to the deaths of many more who failed to pass its test."
New Statesmen"
A thrilling, page-turning near-novelisation of the development of what we now know as the polygraph...Katwala's meticulous archival research, centred around two high-profile US murder cases - those of Henry Wilkens and Joseph Rappaport - is worthy of any thriller."
The Spectator 
