A scribbling intruder. Thought progress (1989) ; Palmtop (1993) ; The choice word (2000) ; How to be a professional boxer (2005) ; Brewer's boy (1999) ; Paperback writer (2003) ; Advice to booksellers (1999) ; No worries (1998) ; Conventional wisdom (2011) ; Straight from the heart, via the groin (2004) ; Discworld turns 21 (2004) ; Kevins (1993) ; Wyrd ideas (1999) ; Notes from a successful fantasy author : keep it real (2007) ; Whose fantasy are you? (1991) ; Why Gandalf never married (1985) ; Roots of fantasy (1989) ; Elves were bastards (1992) ; Let there be dragons (1993) ; Magic kingdoms (1999) ; Cult classic (2001) ; Neil Gaiman : amazing master conjuror (2002) ; 2001 Carnegie Medal Award speech for "Nation" (2009) ; Watching "Nation" ; Doctor Who? (2001) ; A word about hats (2001) -- A twit and a dreamer. The big store (2002) ; Roundhead wood, forty green (1996) ; A star pupil (2011) ; On Granny Pratchett (2004) ; Tales of wonder and of porn (2004) ; Letter to Vector (1963) ; Writer's choice (2004) ; Introduction to Roy Lewis's The Evolution Man (1989) ; The king and I, or, How the bottom has dropped out of the wise man business (1970) ; Honey, these bees had a heart of gold (1976) ; That sounds fungi, it must be the dawn chorus (1976) ; Introduction to The Leaky Establishment by David Langford (2001) ; The meaning of my Christmas (1997) ; Alien Christmas (1987) ; 2001 : the vision and the reality (2000) ; The God moment (2008) ; A genuine absent-minded professor (2010) ; Saturdays (2011) -- Days of rage. On excellence in schools. Education : what it means to you (1997) ; The orangutans are dying (2000) ; The NHS is seriously injured (2008) ; I'm slipping away a bit at a time ... and all I can do is watch it happen (2008) ; Taxworld (2009) ; Point me to heaven when the final chapter comes (2009) ; The Richard Dimbleby Lecture : shaking hands with death (2010) ; At last we have real compassion in assisted-dying guidelines (2010) ; Assisted dying : it's time the government gave us the right to end our lives (2011) ; Death knocked and we let him in (2011) ; A week in the death of Terry Pratchett (2011) -- And finally-- . Terry Pratchett's wild unattached footnotes to life (1990).