"Orginally published in single magazine form in The Flash 113-118." — T.p. verso.

In this fourth volume collecting The Flash's 1960s adventures in chronological order, the Fastest Man Alive battles members of his infamous Rogues Gallery including Mirror Master, The Trickster and Captain Boomerang. This volume includes the famous tale "Flash of Two Worlds," in which The Flash first meets his Golden Age predecessor.