| Issue | #43 |
| Published | July 1956 |
| Frequency | monthly |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Stan Lee |
| Characters | Simon Andrews |
| Pencils | Bill Everett |
| Inks | Bill Everett |
| Letters | typeset |
| Pencils | Pete Morisi |
| Inks | Pete Morisi |
| Pencils | Ross Andru |
| Inks | Mike Esposito |
| Pencils | Gene Colan |
| Inks | Gene Colan |
| Pencils | Bob Forgione |
| Inks | Jack Abel |
| Letters | typeset |
| Reprinted | in Marvel Tales (Marvel, 1949 series) #158 (May 1957) [as "Precious Chlorophyll"] |
| Pencils | Robert Q. Sale |
| Inks | Robert Q. Sale |
| Pencils | Vic Carrabotta |
| Inks | Vic Carrabotta |
| Notes | Features a race of "Ice-Men" who greatly resemble the later superhero Iceman (first appearance: X-Men (Marvel, 1963 series) #1 (September 1963)). |