What has the author William Lewis Masterton written?

It seems you're asking about the author William Lewis Masterton. While there's no widely known author by that exact name, there are several authors who might be related to your query.

* William Masterton: He's a well-known horror and thriller author, known for books like "The Manitou" and "The Lazarus Factor." This might be the author you're thinking of.

* Lewis Masterton: It's possible this name refers to another author, perhaps a relative of William Masterton or someone with a similar name.

Could you please clarify the author's full name or provide some additional information like the genre they write in or a specific book title? This will help me pinpoint the correct author and provide you with their works.