The books I recommend:
  Colour of Magic, a Discworld Novel by Terry Pratchett
 The Light Fantastic, a Discworld Novel by Terry Pratchett
 Equal Rites, a Discworld Novel by Terry Pratchett
 Mort, a Discworld Novel by Terry Pratchett
 Sourcery, a Discworld Novel by Terry Pratchett
 Wyrd Sisters, a Discworld Novel by Terry Pratchett
 Pyramids, a Discworld Novel by Terry Pratchett
 Guards! Guards!, a Discworld Novel by Terry Pratchett
 Eric, a Discworld Novel by Terry Pratchett
 Moving Pictures, a Discworld Novel by Terry Pratchett
 Reaper Man, a Discworld Novel by Terry Pratchett
 Witches Abroad, a Discworld Novel by Terry Pratchett
 Small Gods, a Discworld Novel by Terry Pratchett
 Lords and Ladies, a Discworld Novel by Terry Pratchett
 Men At Arms, a Discworld Novel by Terry Pratchett
 Soul Music, a Discworld Novel by Terry Pratchett
 Interesting Times, a Discworld Novel by Terry Pratchett
 Maskerade, a Discworld Novel by Terry Pratchett
 Feet of Clay, a Discworld Novel by Terry Pratchett
 Hogfather, a Discworld Novel by Terry Pratchett
 Jingo, a Discworld Novel by Terry Pratchett
 The Last Continent, a Discworld Novel by Terry Pratchett
 Carpe Jugulum, a Discworld Novel by Terry Pratchett
 The Fifth Elephant, a Discworld Novel by Terry Pratchett
 The Truth, a Discworld Novel by Terry Pratchett 
 Try them in that order. I have 21 of the 25, and have read 13 of them. (wow, I've still got 12 more! Oh, well, at least I'm past half way. Just)
 If you live in America, you may not be able to get the last 3 or 4. 
 Also Stephen King's The Shining.  
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