The publishers have it in their catalogue.
I was very surprised by the high list price, which I have had no influence over. I would publish it for no more than half that price. Perhaps the publishers aren’t expecting all that many sales? But I hope that doesn’t stop people ordering it for their libraries. It is relevant to many different people, and the principles should be valid for a few years, so I’d say it’s worth having in any library where there are educators using e-portfolios, or developers developing them.