Doom Patrol: The Silver Age Vol. 2

In this second helping of Silver Age Doom Patrol adventures, the world's strangest super-team investigates the mystery of the blue stone monkeys that are driving men to murder! Plus, General Immortus, Garguax, and the Brotherhood of Evil scheme to turn humanity into crystal beings under their control! Also collects Challengers of the Unknown #48, and The Brave and the Bold #65.