31 - The Secret Of Wildcat Swamp
Major Edition Types
BACK
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| Type | Years | Text | Cover | Spine | Art | Endpaper |
| A | 1951-58 | Original | Tan | Wrap | Gillies | Orange Gretta |
| B | 1959-62 | Brown multi-scene | ||||
| C | 1962-68 | PC | Blue | |||
| D | 1969-79 | revised | Nappi | White multi-scene | ||
| E | 1979-87 | Cameo | ||||
| F | 1987-Date | Flashlight PC | Blank | |||
| Major Variants
1959 - off-center cut, dark brown multi-scene endpapers | ||||||