What has the author CEM Struyker Boudier written?

It seems you're asking about an author named CEM Struyker Boudier. While there are several people with this name, it's difficult to tell specifically which one you're interested in without more context.

To help me find the right author, could you provide more details? For example:

* What kind of books do they write? (e.g., fiction, non-fiction, children's books, etc.)

* Do you know the genre of their work? (e.g., fantasy, mystery, historical fiction, etc.)

* Do you know any of their book titles?

* Do you have any other information about them? (e.g., their nationality, their time period of activity, etc.)

With more information, I can help you find out what books CEM Struyker Boudier has written.