Wyrd Sisters is Terry Pratchett’s sixth Discworld novel, published in 1988. It re-introduces Granny Weatherwax of Equal Rites.
https://github.com/davepinch/pinchy.cc/blob/master/content/topics/discworld/novels/06-wyrd-sisters/en.wikipedia.org.md
Sunda Plate (Wikipedia) The Sunda Plate is a minor tectonic plate straddling the Equator in the Eastern Hemisphere on which the majority of Southeast Asia is located.