This author is an experienced, expert book designer, who has designed numerous art books and art catalogues (among many others). But somehow he seems to have missed some important points vital to good book design.
For instance, he is undoubtedly really, really good at choosing fonts that accurately reflect the content and tone of the books he is designing. However, he had somehow missed the point that the font chosen for the body of the book has to be both legible and readable. Quite often, the fonts he chooses are not at all readable. That includes the font used for this book (a typewriter font). Now, a typewriter font is undeniably appropriate to a book titled "Notes on..." anything, but the total lack of weight variation in the letters and the small size of the type made it very hard to read. And (just one more example) using Gill Sans for books about modern artists is undeniably appropriate, but reading a book with the body text set in san serif is like trying to read a book length caption--exhausting.
Then there is the placement of artwork across spreads. As the spreads are shown in this book--as they appear on boards or in a page layout program--they look fabulous. But once these books are bound, anything within 3/8" (roughly) of the gutter just disappear into the binding. Open a book. Look at where the paper disappears into the binding. Imagine important parts of a painting printed on the page going down into the binding. Imagine how you'd feel if you had bought a book to look at that art.
On the other hand, he did offer some interesting insight into how to place art in books without losing sight of relative size of the originals. It is a beautiful (if not readable) volume, and the examples are elegantly rendered. I don't think it's worth the price, however.