| Issue | #70 |
| Published | July 1956 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Whitney Ellsworth (credited), Julius Schwartz (actual) |
| Notes | Data on the contents provided by Arthur Lortie via the GCD Error List (21 December 2004). |
| Genre | science fiction; mystery |
| Pencils | Ruben Moreira |
| Inks | Ruben Moreira |
| Notes | Cover pencils and inks credits confirmed from Julius Schwartz's editorial records, provided to the GCD by DC Comics (8 January 2008) |
| Reprinted | in Showcase Presents Strange Adventures (DC, 2008 series) #1 |
| Synopsis | Josely Company |
| Notes | Inside front cover |
| Script | John Broome |
| Pencils | Sid Greene |
| Inks | Joe Giella |
| Notes | Pencils and inks credits confirmed from Julius Schwartz's editorial records, provided to the GCD by DC Comics (8 January 2008) |
| Reprinted | in Showcase Presents Strange Adventures (DC, 2008 series) #1 |
| Synopsis | Kellogg's Corn Flakes Superman Buckle Offer 25 cents |
| Script | Joe Samachson |
| Pencils | Gil Kane |
| Inks | Joe Giella |
| Notes | Pencils and inks credits confirmed from Julius Schwartz's editorial records, provided to the GCD by DC Comics (8 January 2008) |
| Reprinted | in Showcase Presents Strange Adventures (DC, 2008 series) #1 |
| Synopsis | Showcase #3 -- "On Sale Everywhere!" |
| Synopsis | Illustrated science feature |
| Script | Joe Samachson |
| Pencils | Carmine Infantino |
| Inks | Carmine Infantino |
| Notes | Pencils and inks credits confirmed from Julius Schwartz's editorial records, provided to the GCD by DC Comics (8 January 2008) |
| Reprinted | in Showcase Presents Strange Adventures (DC, 2008 series) #1 |
| Synopsis | Zenith Company -- stamps |
| Synopsis | Palisades Amusement Park -- with Superman |
| Script | John Broome |
| Pencils | Sid Greene |
| Inks | Joe Giella |
| Notes | Pencils and inks credits confirmed from Julius Schwartz's editorial records, provided to the GCD by DC Comics (8 January 2008) |
| Reprinted | in Showcase Presents Strange Adventures (DC, 2008 series) #1 |
| Synopsis | Stephens Credit Sales, sell patriotic and religious mottos |
| Synopsis | Jowett Institute Of Physical Learning, bodybuilding |
| Notes | Inside back cover |
| Synopsis | Daisy Air Rifles |
| Notes | back cover |