Action Comics #406

Synopsis

MASTER OF MIRACLES! A charismatic person called The Master intends to take a commune of scientists to a new world where he can rule them, but Superman exposes him as a renegade Kandorian. THE CHALLENGE OF THE EXPANDING WORLD (Reprint of The Brave and the Bold #53)  The Flash and The Atom vs. Attila-5 THE GHOST THAT HAUNTED CLARK KENT In the Tower of London, Superman learns of Dr. Troy Magnus, a 300-year-old man who cannot die.