Timely enough, I am having published in the near future two books, one a new guide to authenticating early baseball cards and the second an introductory physics textbook on ultraviolet light. The first is obviously appropriate, but the second might be of interest due to all the fascinating areas ultraviolet light is used: authentication, astronomy, medicine, biology, geology, forensics, dentistry, security systems, etc.
So just wait a month or two and they should be out.
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