The ISBN of Silverwing - novel - is 9780006481447.
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Silverwing - novel - has 272 pages.
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Silverwing - novel - was created on 1997-04-24.
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There will most likely not be a Silverwing movie. The show was
the only announced concept for any sort of animation of the Novel
(In English, they only wanted to make a show out of the book)