... on amazon.ca.
Some kind Canadian put it out of its misery, please. There will be more - the trade paperback edition is being released in Canada next Spring. This could be a last chance to own moment.
(Slightly surprised to learn that my Canadian amazon ranking is higher than my UK amazon ranking, but these things change daily, if not hourly, or minute-ly, or second-ly. Not that I check that often. Honest.)