Question: Which fantasy book series, with more than 80 million books sold in 37 languages, was written by Only You Can Save Mankind author Terry Pratchett?
Sentence (from "Discworld"): Discworld is a comic fantasy book series written by the English author Terry Pratchett (1948–2015), set on the fictional Discworld, a flat disc balanced on the backs of four elephants which in turn stand on the back of a giant turtle, Great A'Tuin.
Relevant evidence: No