| Issue | #333 |
| Published | May 1951 |
| Cover Price | 0.10 USD |
| Pages | 52 |
| Editing | ? |
| Notes | Indicia title is "Zane Grey's WILDERNESS TREK, No. 334." Code number is Z.G.O.S. #333-515. Copyright 1951 by Zane Grey, Inc. Tenth of 26 Zane Grey Four Colors. |
| Genre | adventure |
| Pencils | ? (painting) |
| Inks | ? (painting) |
| Colors | ? (painting) |
| Letters | typeset |
| Notes | Indicia title is "Zane Grey's WILDERNESS TREK, No. 334." Code number is Z.G.O.S. #333-515. Copyright 1951 by Zane Grey, Inc. Tenth of 26 Zane Grey Four Colors. |
| Synopsis | Photos of koala bear, lyre bird; duck-billed playpus; and kangaroo. |
| Genre | fact; animal |
| Pencils | American Museum of Natural History, N.Y. (photos) |
| Inks | American Museum of Natural History, N.Y. (photos) |
| Letters | typeset |
| Notes | Inside front cover; black and white. Four photos with brief text. |
| Characters | Sterling Hazelton; Red Krehl |
| Synopsis | Two American cowboys join a cattle drive across the Australian Outback. |
| Genre | adventure |
| Script | Zane Grey (original story); Gaylord Du Bois (adaptation) |
| Letters | typeset |
| Notes | Adapted from the 1944 novel "Wilderness Trek" by Zane Grey. Script submitted June 26, 1950. Script credit provided by David Porta from 'Gaylord Du Bois's Account Books Sorted by Title / compiled from the original account books by Randall W. Scott' (1985). |
| Synopsis | Photos of Australian natives engaged in various activities. |
| Genre | fact |
| Pencils | American Museum of Natural History, N.Y. (photos) |
| Inks | American Museum of Natural History, N.Y. (photos) |
| Letters | typeset |
| Notes | Inside back cover; black and white. Four photos and brief text. |
| Synopsis | Photo of a museum display of a grizzly bear. |
| Genre | fact |
| Pencils | American Museum of Natural History, N.Y. (photos) |
| Inks | American Museum of Natural History, N.Y. (photos) |
| Colors | American Museum of Natural History, N.Y. (photos) |
| Letters | typeset |
| Notes | Back cover. Large color photo with brief text underneath. |