Someone has been manipulating the world and the only clue is a yellow button. The Reverse-Flash plans to possess it. It is up to Batman and the Flash to stop him.
General Note: LSC 25.99"Originally published in single magazine form in Batman 21-22, The Flash 21-22."--Title page verso."The Flash, aka Jay Garrick, created by Gardner Fox; Superman created by Jerry Siegel and Joe Shuster"--Title page verso."Batman created by Bob Kane with Bill Finger".