Secret Service Operator #5, June 1936
| Periodical Title | Operator #5 |
| Cover Art by | John Howitt |
| Illustrator | John Fleming Gould |
| Publisher | Popular Publications, Inc. |
| Copyright Holder | Popular Publications, Inc. |
| Contributing Writer | Arthur Leo Zagat, Frank Gruber |
| Series | The Purple Invasion |
| Format | Pulp Magazine |
| Language | English |
| Location | New York, NY |
| Copyright | 1936 |
| Pages / Font | 112 pages |
| Volume Number | 7 |
| Issue Number | 2 |
| Chapters | The War-God Laughs (An Editorial) Death's Ragged Army, by Curtis Steele Red Finger--Spy-Poison!, by Arthur Leo Zagat Red Dust of Death, by Frank Gruber The Secret Sentinel (A Department) Secret Sentinel Reports |
| Notes | Begins the 13-part Operator #5 storyline about the Purple Invasion, written by Emile C. Tepperman using the "Curtis Steele" house name. |
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