| 0 | - | cover | 1 | pencils: ? (painted); inks: ? (painted); colors: ? (painted); letters: typeset | Tarzan |
| 1 | - | text story | 1 | pencils: Jesse Marsh; inks: Jesse Marsh | |
| 2 | The Tree of Ages | comic story | 16 | script: Gaylord Du Bois; pencils: Jesse Marsh; inks: Jesse Marsh; letters: Jesse Marsh | Tarzan; Boy; Jane Clayton; Captain Smith; Argus (giant eagle); Aguila (giant eagle); Lechwe |
| 3 | "Just Like the Jungle" Games | activity | 1 | pencils: Sparky Moore; inks: Sparky Moore | |
| 4 | The Axe of Mumbo | comic story | 8 | script: Gaylord Du Bois; pencils: Jesse Marsh; inks: Jesse Marsh; letters: Jesse Marsh | Boy; Buto; Dombie; Jad-Bal-Ja (golden lion) |
| 5 | Fun with Boy and Dombie | activity | 0.5 | letters: typeset | |
| 6 | Jungle Maze | activity | 0.5 | letters: typeset | |
| 7 | Dassie | comic story | 6 | script: Gaylord Du Bois; pencils: Sparky Moore; inks: Sparky Moore | Dassie (a hyrax) |
| 8 | Birds in a Tree | activity | 1 | letters: typeset | |
| 9 | The Sultan's Ruby | comic story | 7 | script: Gaylord Du Bois; pencils: Sparky Moore; inks: Sparky Moore | Jane Clayton; N'Kima (monkey); Standish (ostrich); Bangawa Alie; Lulona; Bandy (mongoose) |
| 10 | Jane's Jungle Jewelry | activity | 1 | letters: typeset | |
| 11 | The Courage of Pan-At-Lee | comic story | 12 | script: Gaylord Du Bois; pencils: Jesse Marsh; inks: Jesse Marsh; letters: Jesse Marsh | Tarzan; Om-At; Pan-At-Lee; N'Kima (monkey); In-Don; Ko-Den; Mu-Sar; Tor-O-Don |
| 12 | Jungle Rhythm | activity | 1 | letters: typeset | |
| 13 | Treachery in Aba-Zulu | comic story | 12 | script: Gaylord Du Bois; pencils: Russ Manning; inks: Russ Manning; letters: Russ Manning | Muvubu (first appearance; villain); Dan-El; Natango; Queen Tavane; Zulena |
| 14 | Brothers of the Spear Fishing Game | activity | 1 | pencils: Sparky Moore; inks: Sparky Moore | |
| 15 | The Lost Astronaut | comic story | 12 | script: Gaylord Du Bois; pencils: John Ushler; inks: John Ushler; letters: John Ushler | Tarzan; Princess Loma; Margaret MacKenzie (first appearance; an astronaut); King Lotan of Lutor; Ellita |
| 16 | High Riders | activity | 1 | pencils: Sparky Moore; inks: Sparky Moore | |
| 17 | Pages from Boy's Diary | text story | 1 | pencils: Jesse Marsh; inks: Jesse Marsh | |
| 18 | Tarzan, Jane, Boy, and Dombie | illustration | 1 | pencils: Jesse Marsh; inks: Jesse Marsh | Tarzan; Jane; Boy; Dombie |