Book 2: Problem Challenge 4-Year Competition Book 1996 - 1999, with Final Challenge 1999

This book is a compilation of the 100 problems from the next four years of the competition, together with the 20 questions from the first Final Challenge competition, held in 1999. It features coloured illustrations, full solutions and analysis, and ideas for extension work. The introduction looks in detail at three typical problems and discusses useful techniques for general problem solving.