The clue of the velvet mask /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
New York :
Grosset & Dunlap,
[1969]
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| Series: | Keene, Carolyn. Nancy Drew mystery stories ;
30. |
| Physical Description: | 177 pages, 1 unnumbered page of plates : illustrations ; 20 cm. |
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