Sigma Force book 6 · 2009
The Doomsday Key
Mysterious deaths at Princeton, the Vatican and in Africa lead Sigma to an ancient secret recorded in the Domesday Book.
Spoiler-free summary written for The Recurring Cast.
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Book facts
- Author
- James Rollins
- Series
- Sigma Force, book 6 of 18
- Published
- 2009
- Setting
- Set around the world
- Characters charted
- 9
- Chart confidence
- Medium
Who is in The Doomsday Key
9 recurring or key characters from James Rollins’s chart.
Lead 1
- Grayson PierceSigma Force commander
Major 6
- Painter CroweSigma Force director
- Monk KokkalisSigma operative and Gray’s best friend
- Kat BryantSigma analyst, Monk’s wife
- SeichanFormer assassin and Gray’s partner
- Joe KowalskiEx-Navy sailor and Sigma muscle
- Vigor VeronaVatican archivist
Minor and cameo 2
- Lisa CummingsDoctor and Painter’s partner
- Rachel VeronaItalian carabinieri officer
Also featuring these characters
Other James Rollins books that share the most characters with The Doomsday Key.
- The Bone Labyrinth2015 · Sigma Force · 8 shared charactersBuy on Amazon
- The Judas Strain2007 · Sigma Force · 7 shared charactersBuy on Amazon
- Bloodline2012 · Sigma Force · 7 shared charactersBuy on Amazon
- The Eye of God2013 · Sigma Force · 7 shared charactersBuy on Amazon