Action Comics 1938 #406 - 4.0 - $5.00

Superman investigates a commune who's leader is attracting the greatest scientists on Earth.

Flash and Atom must stop a microscopic world from expanding.

Superman encounters a ghost in the Tower of London.

On-sale date from copyright registration.

• The Challenge of the Expanding World - Story continues in Action Comics #407. Story in two parts of 8.67 and 4 pages.
• D.C. Sweeps A.C.B.A. Awards - Includes pencil sketches of the Academy of Comic Book Artists 1971 Shazam Awards winners from DC and cover reproductions of Green Lantern (DC, 1960 series) #76 and #86.
• The Ghost That Haunted Clark Kent - An Untold Tale of Clark Kent
• - Includes a letter from Bob Rozakis.