IN THE FLOCK OF FURY, Billy Hooten learns the strange—and horrifying—truth behind Monstros City’s woes. It turns out that all the supervillains Billy has encountered are under the hire of a super-SUPERvillain called the Monarch. The Monarch hates Billy—and with good reason. But when Billy learns the Monarch’s shocking true identity, will he be able to fight back against his most powerful foe yet?