Can anyone recommend a good popular science book on biological viruses and virology?

I am interested in reading about biological viruses and virology. I'd be grateful if anyone can recommend a good popular science book on the topic. If you can, please can you say what's good about it.Can anyone recommend a good popular science book on biological viruses and virology?
http://search.yahoo.com/search?p=book+on鈥?/a>Can anyone recommend a good popular science book on biological viruses and virology?
Principles of Molecular Virology - cann

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