How Can I Get Credit for My Work on a Book?

Jane claimed she should have been billed as a co-author from the start. She was at the typewriter from 9 p.m. to 1 a.m. every night for a year, while he slowly dictated to me. I consulted with all kinds of doctors and nurses and wrote down the opinions of experts about what should be in the book on the various diseases. Some of the doctors didn't approve of Ben, so I had to woo them. In those days, there were eight different formulas, and I tested them again and again to make sure they worked. And I found that one, given out by New York Hospital, didn’t work. The nipples clogged up