What is the author's tone in Bringing Down the House: The Inside Story of Six MIT Students Who Took Vegas for Millions by Ben Mezrich?

The book's tone is atypical of non-fiction. The author creates a tone of excitement and suspense and portrays a texture of the heady lifestyle of a Las Vegas gambling lifestyle. Much of the action is set in a sort of shadowy world where the gamblers are conducting technically legal but ethically questionable activities