Originally Posted by Iznogood
The book I'm looking for is "The Technique of the Mystery Story", written by Carolyn Wells in 1913. From what I understand of copyright law, this book is public domain in the entire world, and could be copied and distributed freely?
died on March 26, 1942, so her works come out of copyright in most of the world tomorrow, 1st January 2013, has been out of copyright in Canada and Australia since 1st January 1993, and is currently available at Project Gutenberg Australia
You can also find a PDF scan of the book at Archive.org