14 - The Hidden Harbor Mystery
Major Edition Types
BACK
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| Type | Years | Text | Cover | Spine | Art | Endpaper |
| A | 1935-46 | Original | Brown | Yellow | Gretta | Orange Gretta |
| B | 1947-49 | * | ||||
| C | 1950 | Wrap | Gillies | |||
| D | 1951-58 | Tan | ||||
| E | 1959-61 | Brown multi-scene | ||||
| F | 1962 | Revised | Nappi | White multi-scene | ||
| G | 1968-79 | PC | Blue | |||
| H | 1979-87 | Cameo | ||||
| I | 1987-Date | Flashlight PC | Blank | |||
| Major Variants
1959 - off-center cut, Brown multi-scene endpapers 1963 - dark blue binding * - frontispiece removed c.1947 | ||||||