All Terry Pratchett Books
Unseen University Challenge and The Wyrdest Link are written by David Langford and thus were not included in this list as they are not by Sir Terry ... ***MISSING**** from the list are The Illustrated Screenplay of Soul Music and The Illustrated Screenplay of Wyrd Sisters ...
avg. score: 36 of 99 (36%)
required scores: 1, 11, 32, 44, 56