| Issue | #29 |
| Published | September-October 1956 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Julius Schwartz |
| Notes | Cover pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (9 January 2008); original indexer credited the inks to Bernard Sachs. |
| Characters | Rex; Danny |
| Genre | animal; adventure |
| Pencils | Gil Kane |
| Inks | Gil Kane |
| Notes | Cover pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (9 January 2008); original indexer credited the inks to Bernard Sachs. |
| Synopsis | In the arctic Rex and Danny capture atomic spies and rescue Major Dennis from their evil clutches. Rex quote: "Yes-There are a lot of strange characters out here!" |
| Script | Bob Haney |
| Pencils | Gil Kane |
| Inks | Bernard Sachs |
| Notes | Pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (9 January 2008) |
| Reprinted | in Century, The 100 Page Comic Monthly (K. G. Murray, 1956 series) #7; in Superboy Adventure Book 1957-8 (Atlas Publishing & Distributing Co. Ltd. (London), 1958 series) #1; in Century Comic (K. G. Murray, 1962 series) #76 |
| Synopsis | In a tale he personally narrates Bobo disguises himself as a human in order to capture Larry the Lynx. Bobo quote: "The things I do in the interest of science." |
| Script | John Broome |
| Pencils | Carmine Infantino |
| Inks | Carmine Infantino |
| Reprinted | in Century, The 100 Page Comic Monthly (K. G. Murray, 1956 series) #6; in DC Special (DC, 1968 series) #1 (October-December 1968) |
| Synopsis | Can Rex and Danny help find the treasure that is prophesied to appear in Peter Danvier's castle the night of September 10, 1956. Rex quote: "Grrr!" |
| Genre | animal; detective |
| Script | John Broome |
| Pencils | Gil Kane |
| Inks | Bernard Sachs |
| Reprinted | in Century, The 100 Page Comic Monthly (K. G. Murray, 1956 series) #9 |