The Justice League of America welcomed the start of the 1970s with these tales from issues #77-84, #86-92, #94 and #95! In these stories that reflected the social issues of the day, the World's Greatest Heroes are betrayed by Snapper Carr, who's being manipulated by The Joker. Plus, the Vigilante comes out of retirement to help the team learn the truth behind a pollution-blasting factory; the team faces a Thanagarian arch-villain; the Red Tornado fights for his freedom; the survivors of a sunken continent that abandoned Earth return to wipe out humanity and much more!