Wyrd Sisters (by Terry Pratchett)

I started re-reading Terry Pratchett’s excellent ‘Discworld’ series, interspersed with other books by favourite authors, back in January. I had entirely forgotten that I had the same laudable aim about ten years earlier, although I only reached the seventh book in the series - six years later - before I gave up with that system.

However, Pratchett’s books can be re-read frequently, so it’s not a problem that I last read ‘Wyrd Sisters’, sixth in the series, at the start of 2016. I remembered...