I'll nominate John Grisham's The Firm
. It is an eBook and it is available in the US.
For a young lawyer on the make, it was an offer he couldn't refuse: a position at a law firm where the bucks, billable hours, and benefits are over the top. It's a dream job for an up-and-comer—if he can overlook the uneasy feeling he gets at the office. Then an FBI investigation plunges the straight and narrow attorney into a nightmare of terror and intrigue, with no choice but to pit his wits, ethics, and legal skills against the firm's deadly secrets—if he hopes to stay alive . . .
[edit - image too large]