What has the author William E Howard written?

It seems you're asking about William E. Howard, a prolific author who has written a significant amount of fiction, particularly in the genre of science fiction. However, there's no readily available information about a specific author with that name.

It's possible that:

* The name is misspelled. Try double-checking the name and looking for variations.

* The author has a different pen name. Search for similar names or try to find any information about the author's publishing history.

* The author is less well-known. It's possible that William E. Howard isn't a widely recognized author, making it difficult to find information.

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With more details, we can better assist you in finding the right William E. Howard.