For anyone who's morbidly curious, going through all the titles supplied by the Kobo auto-search link I posted upthread, and adding all the 99 cent ones without the "A Short Story" cover design (and excluding the Intro to Christie promo essays which used to be a freebie) yielded a grand total of
79 titles in the test cart. (ETA 2: 88 on the recount, though my math may be off by one since the Kobo cart says 87. But then it also increments when I test-add stuff it suggests from the sidebar which I know I already picked up.)
(ETA: it may also be useful to sift through an "
Agatha Christie" + "William Morrow" search, as that yielded a few more titles I hadn't previously added to cart during the first round, and which didn't seem to show up on the full results from the first search.)
This includes all the short story collections, the plays, the Poirot that was marked "completed as a novel by X", the autobiography, the travelogue, and the two novels which are public domain in the US, and "Murder at the Vicarage", which was an official multi-store freebie several years ago.
Unfortunately, there's no easy way to copy paste from the contents of my cart without logging in and going to the checkout screen, which I'm not going to do because paranoid filtering before I buy, and I also want to login to my Great Canadian Rebates account before purchasing so that I can get some cashback.