The ISBN of The Clue of the Velvet Mask is 0-448-09530-0.
The Clue of the Velvet Mask was created in 1953.
The Clue of the Velvet Mask has 192 pages.
The Man in the Velvet Mask was created in 1996.
The ISBN of Like a Velvet Glove Cast in Iron is 1560971169.
The ISBN of Under a Velvet Cloak is 978-1-59426-294-4.
The ISBN of The Clue in the Crumbling Wall is 044809522X.
The ISBN of The Clue in the Old Album is 0448095246.
The ISBN of The Clue in the Jewel Box is 0448095203.
The ISBN of The Clue in the Diary is 0-448-09507-6.
The ISBN of The Mask - novel - is 0-425-12758-3.
The ISBN of The Clue of the Leaning Chimney is 0-448-09526-2.
The ISBN of The Clue in the Crossword Cipher is 0-448-09544-0.