Discworld — Terry Pratchett

Terry Pratchett's 41-novel Discworld series is the greatest comic fantasy achievement in English literature — and considerably more than comedy. Pratchett used his flat world balanced on four elephants as a laboratory for satirizing every aspect of human society, from politics to death. His wit and genuine humanity make Discworld one of fiction's great achievements in any genre, with over 85 million copies sold globally.