| Books in this series: |
| 1 | The Island of Adventure | 1944 | 2 | The Castle of Adventure | 1946 | 3 | The Valley of Adventure | 1947 | 4 | The Sea of Adventure | 1948 | 5 | The Mountain of Adventure | 1949 | 6 | The Ship of Adventure | 1950 | 7 | The Circus of Adventure | 1952 | 8 | The River of Adventure | 1955 |