The Book of Eli has genre Thriller. Thriller has examples: World Trade Center
[Human]: Could you recommend any movies like The Book of Eli? [Assistant]: Excellent choice.  Other examples in that genre include World Trade Center, The Shield, Split Second, Robocop and Insomnia. [Human]: Can you tell me who starred in the thriller, World Trade Center? [Assistant]: Sure.  Nicholas Cage, Jay Hernandez and Armando Riesco are the main stars in that film. [Human]: Any other thrillers that you would suggest? 
Sure. Another thriller you might enjoy is Jurassic Park.