This is a translation of a Czech book with more than 1000 problems which can be used to prepare for the International Mathematical Olympiads or the Putnam exam ... » 

This is a translation of a Czech book with more than 1000 problems which can be used to prepare for the International Mathematical Olympiads or the Putnam exam (a prestigious math competition). Each topic contains brief theoretical discussions that are immediately followed by carefully worked out examples of increasing degrees of difficulty. «