| 0 | Empire of the Ape Men | cover | 1 | pencils: Will Eisner; inks: Will Eisner | Kaänga |
| 1 | - | promo (ad from the publisher) | 1 | letters: typeset | |
| 2 | - | comic story | 10 | pencils: George Tuska; inks: George Tuska | Kaänga; Sam Broot (villain); Ann Mason; Cheeba (leopard) |
| 3 | - | comic story | 5 | pencils: Arthur Peddy | The Red Panther; The Ant Woman (introduction, villain, death) |
| 4 | - | comic story | 7.75 | pencils: George Carl Wilhelms; inks: George Carl Wilhelms | Tabu; The Zsingos (African tribe)(introduction, villains, death); Jibus (African tribe) |
| 5 | Strange Case of Ezra Ark: Case 3: File 1: Clue 2 | comic story | 0.25 | pencils: Bob Powell | Ark |
| 6 | - | comic story | 6 | pencils: Bob Powell; inks: Bob Powell | Camilla; Lief Thorgson (introduction, villain, death); Count Knuten (introduction, villain); Count Knuten's cousin (introduction, villain) |
| 7 | Death of the Laughing Terror | text story | 2 | script: Lin Davies | Ran-Tog |
| 8 | - | comic story | 7 | script: Pierre La Rue; pencils: Bill Bossert; inks: Bill Bossert, Leonard Frank | Captain Terry Thunder; The Masked Arrows (introduction, villains, death); Astbis (African tribes) |
| 9 | - | comic story | 7 | script: Roy L. Smith; pencils: Henry Kiefer; inks: Henry Kiefer | Wambi; Wolf Lawsen (introduction, villain, death); Raga (crocodile); Nostro (hippopotomus); Ogg (ape); Tawn (elephant); Bimi (badger) |
| 10 | - | comic story | 6 | script: ? [as Harold Morley] (credited) | Roy Lance; Kubuttis (African tribe) |
| 11 | - | comic story | 5 | pencils: William M. Allison; inks: William M. Allison | Simba; John Mason; Dick Mason |
| 12 | Mundoor and the Giant Reptiles | comic story | 7 | script: Fletcher Hanks; pencils: Fletcher Hanks; inks: Fletcher Hanks; letters: Fletcher Hanks | Fantomah; Mundoor (introduction, villain) |
| 13 | Jungle Roars | cartoon | 0.25 | script: ? [as Lore] (credited) | |
| 14 | Jungle Roar | cartoon | 0.25 | script: ? [as Lore] (credited) | |
| 15 | A Jungle Tale | comic story | 0.5 | pencils: Will Eisner; inks: Will Eisner | Professor Dunk |
| 16 | - | promo (ad from the publisher) | 1 | letters: typeset | |