I started buying SF Masterworks volumes back in 2013/2014. Though I can’t seem to find some I was sure I had – I thought I’d bought 3; I can find 1. But I started picking them up again recently. I’m all for randomly picking one up when I see it in a bookshop and buying it if I like the sound of the blurb (when I’m not in there buying other books). It’s been a great way to find classics that I have never heard of. Though to be fair, in the Sci-Fi genre that’s a lot.
Ammonite by Nicola Griffith sounds interesting. I have had it so much longer than I had End of Men, and I have no idea why I haven’t read it yet. I’m planning to pick it up in February.

Change or die. These are the only options on the planet Jeep. Centuries ago, a deadly virus shattered the colony, killing the men and forever altering the surviving women. Now anthropologist Marghe Taishan arrives to test a new vaccine. As she risks death to uncover the women’s biological secret, she finds that she, too, is changing – and that not only has she found a home on Jeep, but tht she alone carries the seeds of its destruction…