Certain old law books are very, very expensive (like this one).
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.