I was recommended Zinsser from a writer whose own writing is very wordy. Personally, I prefer Strunk and White and the AP Style Guide. But I was looking for g

I was recommended Zinsser from a writer whose own writing is very wordy. Personally, I prefer Strunk and White and the AP Style Guide. But I was looking for good guides for technical documentation, web copy, and B2B high tech marketing material (case studies, data sheets, etc.). Not how to write a non-fiction book.