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The Descartes Evolution

When truth is more deadly than lies…

A woman with a rare genetic illness must uncover her connection to a terrorist group before their next attack in this exciting new bio-thriller from the author of Disease X.

Lucas Grafton has spent the last ten years hunting the Conclave, a secret organization who took everything from him, including his very identity. Now he has a lead—an imminent terrorist attack on London—code-named Descartes. But he can’t connect the dots until a seemingly innocent woman appears during his stakeout.

Jenna Young can’t believe she was attacked and barely escaped with her life. Now she’s on the run with a stranger…and racing against the clock. With only a note left by her father after his death, telling her to use the code-word “Descartes” to get the pills that slow the progression of her illness, Jenna has only days before her body will start to rapidly deteriorate.

Lucas and Jenna must piece together why she’s wanted by a terrorist group she’s never heard of. And why, despite her claims that she needs an unknown and presumably illegal drug to stay alive, she seems to be getting stronger by the day…


  • “If you loved The DaVinci Code be prepared to be wowed again by The Descartes Evolution” – Diane H
  • “The full-throttle action, the unexpected twists, and the unremitting intrigue make this book an absolute delight for enthusiasts of the medical thriller genre..” – Kim S
  • An exciting book that was hard to put down and is highly recommended.” – JPhilips
  • I really enjoyed this fascinating story with twists & turns around every corner. N. J. Croft has given us a true winner with The Descartes Evolution.” – Steve

Book Details:

  • Publisher: Sideways Books
  • Editor: Elizabeth Pelletier and Lydia Sharp
  • Available in: ebook and print
  • ISBN: 9781949038347
  • Published: June 22, 2020
  • Price: $4.99