| 0 | - | cover | 1 | pencils: Ed Cronin; inks: Ed Cronin | Doll Man [Darrel Dane]; Spin Shaw (inset); Lala Palooza (inset); Rance Keane (inset); Samar (inset) |
| 1 | The Deadly Toymaker | comic story | 9 | pencils: John Celardo; inks: John Celardo | Doll Man [Darrel Dane]; Kurt Killdor (first appearance; villain; death); Gimpy (first appearance; villain); other crooks (first appearance; villains) |
| 2 | Mystery at the World's Fair | comic story | 4 | script: Bill Smith; pencils: Bill Smith; inks: Bill Smith | Rance Keane; Harvey Topping (first appearance); Frank Topping (first appearance; villain) |
| 3 | - | comic story | 2 | script: Lank Leonard; pencils: Lank Leonard; inks: Lank Leonard | |
| 4 | The Band of Treason | comic story | 5 | script: Harry Campbell; pencils: Harry Campbell; inks: Harry Campbell | Captain Bruce Blackburn; Henry (villain, introduction); un-named "Band" members (villains, introduction for all) |
| 5 | Queen of the Bat-Men | comic story | 5 | pencils: Maurice Gutwirth; inks: Maurice Gutwirth | Samar; The Bat-Men (first appearance; villains; all die); Queen Nevar (first appearance; villain; death) |
| 6 | Action in Guatemala | comic story | 6 | pencils: Witmer Williams; inks: Witmer Williams | Spin Shaw [Capt. S. R. "Spin" Shaw] |
| 7 | - | comic story | 2 | pencils: John Devlin; inks: John Devlin | Lala Palooza |
| 8 | Mission to the Spirit World | comic story | 5 | script: Toni Blum; pencils: Charles Sultan; inks: Charles Sultan | Zero; Mr. Tobias Finch (introduction); Mrs. Tobias Finch (introduction); Sylvia Finch (introduction); Madam Aura (a medium, introduction) |
| 9 | - | comic story | 2 | pencils: John Devlin; inks: John Devlin | |
| 10 | Origin of the Ace of Space | comic story | 5 | script: Henry Taylor; pencils: Harry Campbell; inks: Harry Campbell | The Ace of Space [Ace Egan] (introduction, origin); Jennings (Egan's butler, introduction); an alien (introduction, death); The Slogons (villains, introduction, all die) |
| 11 | The Hunting Trip | comic story | 2 | script: Arthur Beeman; pencils: Arthur Beeman; inks: Arthur Beeman | Mr. Homer Doodle (first appearance); Mrs. Homer Doodle (first appearance); Bud Doodle (first appearance) |
| 12 | The Curse of Quetzal | text story | 2 | script: Robert M. Hyatt ?; pencils: ? (illustrations); inks: ? (illustrations); letters: typeset | Perry Scott |
| 13 | Trouble on the Rubber Plantation | comic story | 4 | script: Vern Henkel; pencils: Vern Henkel; inks: Vern Henkel | Dusty Dane; Wolf Hennick (first appearance; villain; death); the Mouse (first appearance; villain; death); Patricia Morley (first appearance) |
| 14 | The Game with Stamford | comic story | 4 | script: Paul Gustavson; pencils: Paul Gustavson; inks: Paul Gustavson; letters: Paul Gustavson | Rusty Ryan; Chuck (introduction) |
| 15 | The Mighty Mite versus Muscletoe | comic story | 2 | script: Gill Fox; pencils: Gill Fox; inks: Gill Fox | Poison Ivy; Muscletoe (first appearance; villain); The Great Colosso (first appearance; a superhero) |
| 16 | The Sinister Lighthouse | comic story | 5 | script: Art Pinajian; pencils: Art Pinajian; inks: Art Pinajian | Sgt. Jim Reynolds, RCMP; Waxey Ginzo (first appearance; villain; death); Tito (first appearance; villain; death) |