Invincible Who's the Boss - Book 10 Author:Robert Kirkman, Ryan Ottley, FCO Plascencia Up until this point, Invincible has been working for the Global Defense agency. Fighting their fights, defeating their enemies... now something's not right, Invincible can no longer carry out his orders unquestioned. Now he finds himself up against the very organization he been working for! This volume collects Invincible issues #48-53.