Interns are invisible. That's the mantra behind HR, Inc., an elite "placement agency" that doubles as a network of assassins-for-hire, taking down high-profile executives who wouldn't be able to remember an intern's name if their lives depended on it. **INTERNATIONAL BESTSELLER** Best of the Year-- Seattle Times JOHN LAGO IS A HITMAN. HE HAS SOME RULES FOR YOU. AND HE' S ABOUT TO BREAK EVERY SINGLE ONE. John Lago is a very bad guy. But he's the very...