Books like Casino Royale

Casino Royale by Ian Fleming reads as gritty, tense. These 12 books share its genome — matched by how they actually read, not just their shelf label.

Queen & country

Greg Rucka · 2002

Both explore espionage

66% genome match

Moonraker

Ian Fleming · 1955

Both explore espionage

61% genome match

H is for Homicide

Sue Grafton · 1991

Both explore loyalty

61% genome match

Gorky Park

Martin Cruz Smith · 1981

Both explore cold war & espionage

61% genome match

The asphalt jungle

W. R. Burnett · 1949

Both explore loyalty

60% genome match

Dead cert

Dick Francis · 1962

Both explore loyalty

57% genome match

The Kill Artist

Daniel Silva · 2000

Both explore espionage

55% genome match

L.A. requiem

Robert Crais · 1999

Both explore loyalty

57% genome match

Killshot

Elmore Leonard · 1989

Same thriller feel

56% genome match

The Red Sparrow

Jason Matthews · 2013

Both explore espionage & seduction

70% genome match

The case of the foot-loose doll

Erle Stanley Gardner · 1958

Same thriller feel

53% genome match

A Catskill Eagle

Robert B. Parker · 1985

Both explore loyalty

55% genome match