| 0 | - | cover | 1 | pencils: Creig Flessel; inks: Creig Flessel | |
| 1 | Swelegant Is the Word for It! | promo (ad from the publisher) | 1 | pencils: Leo O'Mealia; inks: Leo O'Mealia | |
| 2 | The Snake Death | comic story | 6 | pencils: Fred Guardineer; inks: Fred Guardineer | Speed Saunders |
| 3 | - | comic story | 1 | script: Bob Kane; pencils: Bob Kane; inks: Bob Kane | Oscar the Gumshoe |
| 4 | The Maine Castle Mystery, Part 1 | comic story | 6 | script: Will Ely; pencils: Will Ely; inks: Will Ely | Larry Steele |
| 5 | Von Ruyter's Explosive Gun | comic story | 6 | pencils: Sven Elvén; inks: Sven Elvén; letters: Sven Elven | Cosmo, the Phantom of Disguise |
| 6 | The Insidious Dr. Fu Manchu, Part 1 | comic story | 4 | script: Leo O'Mealia, Sax Rohmer; pencils: Leo O'Mealia; inks: Leo O'Mealia | Sir Denis Nayland Smith (introduction); Dr. Petrie (introduction); Dr. Fu Manchu (villain, introduction) |
| 7 | The Hooded Hordes | comic story | 8 | script: Jerome Siegel; pencils: Joe Shuster; inks: Joe Shuster | Sally Norris, Bart Regan |
| 8 | Disaster on the Diamond | text story | 2 | script: Paul Dean; pencils: Fred Guardineer; inks: Fred Guardineer | Percy Hamilton; Slugger Brant; Mr. Stone |
| 9 | The Coolie Smugglers [Part 1] | comic story | 12 | script: Malcolm Wheeler-Nicholson; pencils: Tom Hickey; inks: Tom Hickey | Bruce Nelson |
| 10 | The Right Trail | comic story | 6 | script: H. Fleming; pencils: H. Fleming; inks: H. Fleming | Buck Marshall |
| 11 | Slam Bradley Gets the Air | comic story | 13 | script: Siegel; pencils: Shuster; inks: Shuster | Slam Bradley, Shorty Morgan |
| 12 | - | activity | 1 | script: A. W. Nugent; pencils: A. W. Nugent; inks: A. W. Nugent | |