https://www.elsevier.com/books/ice-caves/persoiu/978-0-12-811739-2

at about ?150 I will NOT be buying a copy.  Will wait until one turns up on Ebay for a tenner.

It's clearly not your average coffee-table book, but one intended for what seems to be a rather limited readership - "Earth and environmental scientists, speleologists, paleoclimatologists" and other such specialists, according to the Elsevier website.

Such specialist publications do tend to be rather expensive.