Certain new law books are also very, very expensive. This book has slipped from its original publication date by about 3 years so far, so there's no guarantee that it will actually be coming out in November this year, as currently promised. But just look at that price.
Yes: that's not a typo. It actually costs £785 for a single volume of a single book.
It has 568 pages.
That's £1.38 per page.
Law book prices are just insane sometimes.