DC · December, 1960
1st Appearance of Captain Boomerang (Digger Harkness); Origin of Captain Boomerang (Digger Harkness); Versus Captain Boomerang
Here Comes Captain Boomerang!; The Madcap Inventors of Central City!; educ: Comparative Speed Records!
Writers: John Broome, Gardner Fox
Artist: Carmine Infantino