This is another monograph in American Lectures In Living Chemistry, and there is no doubt concerning the author's credentials. There are over two dozen references to his own work and many of the tables and illustrations are from his previous publications.
He writes most interestingly (and exhaustively) when referring to his own work—especially his laboratory techniques—and that is its strength. It is not an easy book for a clinician to read, and it will take an unusual clinician to appreciate the author's work. One of its weaknesses for the practicing physician is an inadequate number of diagrams (eg, the sections on the metabolism of carbohydrates, fats, and proteins).
I believe I have been unfair to the author: the book was not written for the clinician (or, if it was, it did not help me); I think it is a text for someone with a special interest in liver disease—and, primarily,