Detective Comics (1937 1st Series) #351 FN
Published May 1966 by DC.
Written by Gardner Fox. Art by Carmine Infantino and Sid Greene. Cover by Carmine Infantino and Murphy Anderson. The Cluemaster's Topsy-Turvy Crimes!; Batman and Robin battle the Cluemaster; meanwhile, Aunt Harriett discovers the secret entrance to the Bat-Cave. Written by Gardner Fox. Art by Carmine Infantino. The Case of the Costumed-Made Crook!; The Elongated Man wants to donate his old costume to Central City's Flash Museum, but its been stolen. Cap's Hobby Hints by Henry Boltinoff. Rocky and Bullwinkle star in a one-page Cheerios ad. 36 pages, full color. $0.12. Cover price $0.12.