After (scrolling back on Litsy - it seems I‘ve been looking for 5 years) keeping my eyes peeled when I peruse second hand books - I finally found a copy of Space Demons, completing my trilogy (in the same edition)
Nostalgia feels! Since I was browsing with a friend, I even got to drop my favourite bit of Gillian Rubinstein knowledge 🤓 (she‘s also Lian Hearn of Across the Nightingale Floor fame)