<p><b>''Pratchett uses his other world to hold up a distorting mirror to our own . . . he is a satirist of enormous talent'' <i>The Times </i></b><br><br><b>The Discworld is very much like our own - if our own were to consist of a flat planet balanced on the back of four elephants which stand on the back of a giant turtle, that is . . . </b><br><b><i>___________________</i></b><br><br><i>''Destiny is important, see, but people go wrong when they think it controls them. It''s the other way around.'' </i><br><br>Three witches - <b>Granny Weatherwax</b>, <b>Nanny Ogg </b>and <b>Magrat Garlick </b>- have gathered on a lonely heath. A king has been cruelly murdered, his throne usurped by his ambitious cousin. An infant heir and the crown of the kingdom, both missing . . . <br><br>Witches don''t have these kind of dynastic problems themselves ¿ in fact, they don¿t have leaders. <br><br>Granny Weatherwax was the most highly-regarded of the leaders the witches don''t have. But even <i>she</i>