| Issue | #23 |
| Published | December-January 1967 |
| Cover Price | 0.12 |
| Pages | 36 |
| Editing | Bob Kanigher |
| Notes | Includes a letters page. Additional indexing info from Donald Dale Milne. |
| Characters | Metal Men; Dr. William Magnus |
| Genre | super-hero |
| Pencils | Ross Andru (signed) |
| Inks | Mike Esposito (signed) |
| Notes | Includes a letters page. Additional indexing info from Donald Dale Milne. |
| Characters | Superman [Kal-El, aka. Clark Kent]; Joe; Tom |
| Synopsis | After Joe claims he's going to keep the pennies for himself, Superman takes Joe and Tom to Asia, South America and Africa to show them first-hand how much good the pennies they collect for UNICEF can do. |
| Genre | superhero |
| Script | Jack Schiff |
| Pencils | Sheldon Moldoff |
| Inks | Sheldon Moldoff |
| Letters | Ira Schnapp |
| Notes | Printed in black-and-white on inside front cover. Credits from a list by Lionel English. |
| Characters | Dr. William Magnus; Gold; Iron; Mercury; Platinum; Lead; Tin; Nameless; Professor Snakelocks; Professor Snakelocks' army; The Sizzler; The Lizard; The Lizard's army |
| Synopsis | Professor Snakelocks' creation, The Sizzler, has been adopted by the Metal Men after changing Doc Magnus into a robot. Professor Snakelocks attempts to destroy the Metal Men but is turned into a robot by The Sizzler after being captured. Platinum is so distraught over The Sizzler's apparent affection for Doc Magnus that she runs away, where the Lizard makes her a hostage in a plan to kill Doc Magnus. Platinum saves Doc at the last minute, and the Sizzler changes both Doc and Professor Snakelocks back to humans. |
| Genre | super-hero |
| Script | Bob Kanigher (signed) |
| Pencils | Ross Andru (signed) |
| Inks | Mike Esposito |
| Letters | HM |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (May 2007). Schwartz kept editorial records for Robert Kanigher who edited this issue. the records list the initials HM next to the due date for the lettering of this story. |
| Characters | two unamed boys |
| Synopsis | One boy shows another how he avoids losing tiny model screws by magnetizing a screwdriver. |
| Genre | fact |
| Script | Henry Boltinoff; idea from Rick Schuman |
| Pencils | Henry Boltinoff (signed) |
| Inks | Henry Boltinoff (signed) |
| Letters | Henry Boltinoff? |
| Notes | It is noted that published ideas are awarded the original art from the feature. |