Need a book cover

Information for the business: miniature wargaming
Industry: Entertainment
Design details: need a design (front, back, spine) for the rulebook of a tabletop miniatures war-game.
Logo is already done, need to be attached, what I need is an illustration in the middelfield of an A4.sized page consisting of the following.
Upper and lower frames made out of DNA-like motives. Other than that 3 characters: one standing in the middle with arms raised to the sides with a halo of light above the shoulders so the facial features are not visible because of the shadows cast. On the right side of this character stands a scavenger-looking (quasi Book of Eli-kind) warrior with gas mask hanging around it's neck a carbine in one hand with the other reaching for the middle character. On the left stand a futuristic soldier with a bull-pup design carbine and cutting-edge kevlar body-armor, with a helmet including a complex optic system and communication-devices. The colour of the cover is jet black.
The back page will contain a short description of the game itself, the contents etc.
The spine will only contain the logo of the game and that of the company.
Target audience: males 14-40 y.o.
Number of pages needed: front, back and spine
Ideas for the visual style: see above
Preferred colors: grey, blue, brown,.
Where the design will be used: print, web
Extra notes: samples and helpful material will be shared after initial contact.