by John NunnContributor Denis MartinPublished 1999 - Gambit Publications, LimitedPaperback: 336 pagesISBN 1901983188The first edition of the book ushered in a new era in chess publishing. It was the first book based on computer generated position databases that are guaranteed to provide a definitve result. In this second edition there are 34 extra pages filled mainly with new reader exercises.