What has the author Greydon Moore written?

There is no author with the name "Greydon Moore" widely recognized in the literary world. It's possible that you may have misspelled the name, or it may be a relatively unknown or unpublished author.

To find information about a specific author, you can try:

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Could you please provide more information, such as the genre or topic of the author's work, or any specific titles you remember? This could help me find the author you are looking for.