| Issue | #4 |
| Published | March-May 1952 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | ? |
| Notes | Title on cover and in indicia is "Rex Allen Comics." |
| Characters | Rex Allen (photo) |
| Genre | Western |
| Pencils | ? (photo); ? |
| Inks | ? (photo); ? |
| Colors | ? (photo); ? |
| Notes | Photo cover with art background. |
| Synopsis | Facts about care of leather riding gear. |
| Genre | western; fact |
| Pencils | August Lenox [as Lenox] (signed) |
| Inks | August Lenox [as Lenox] (signed) |
| Letters | typeset |
| Notes | Inside front cover. Black and white. Large illustration with typeset text. |
| Characters | Rex Allen; Koko (horse); Borax (sidekick) |
| Synopsis | While investigating a plan to smuggle outlaws accross the border; Rex Allen and his sidekick Borax are captured and put on a boat to Hawaii. Once at the big island of Hawaii, Allen and Borax escape and foil the plot to rustle cattle from the Kalaka Ranch. |
| Genre | western |
| Notes | Sidekick "Borax" apparently appears just in this story? |
| Characters | Rex Allen; Koko (horse) |
| Synopsis | Rex Allen has to take an envelope with $5000 to Timberline by sunset to pay off Rufe Cameron's note on his sawmill. |
| Genre | western |
| Synopsis | A listing of the proper names for various parts of a horse. |
| Genre | Western; Fact |
| Pencils | August Lenox [as Lenox] (signed) |
| Inks | August Lenox [as Lenox] (signed) |
| Letters | typeset |
| Notes | Inside back cover. Black and white. Two illustrations with typeset text. |
| Characters | Rex Allen (photo); Koko (photo; horse) |
| Synopsis | Posed shot of Rex on his horse in dry grass with boulders in the background. |
| Genre | Western |
| Pencils | ? (photo) |
| Inks | ? (photo) |
| Colors | ? (photo) |
| Notes | Color photograph with no text on back cover. |