Wyrd Sisters

Wyrd Sisters is a fantasy book by Terry Pratchett. It was published in 1988 and it is the sixth book in the Discworld series and the first one to focus on the Witches.

Plot
Granny Weatherwax, the witch who appeared in Equal Rites is the main character, along with the two other witches in her group. The story is a take on the Shakespeare play Macbeth.https://www.amazon.co.uk/Wyrd-Sisters-Discworld-Novel-Novels/dp/0552166642

TV adaptation
In 1997, the book was made into a TV mini series.

 References 

Category:Books by Terry Pratchett
Category:1988 books