What has the author Louis Zalk written?

There's no widely known author named "Louis Zalk." It's possible that:

* The name is misspelled: Double-check the spelling of the author's name.

* The author is not well-known: The author might be a niche writer, self-published author, or write under a different name.

* There's a misunderstanding: Perhaps you're thinking of a different author or a character from a book.

Please provide more information if you can, such as the genre of books the author writes, any specific titles, or the context where you encountered this name. This will help me provide a more accurate answer.