A collection of 250 new and original chess positions all taken from the real games of amateur chess players. The objective is that by solving these problems, chess players can improve their skill level, and win more games, and get a higher chess rating.
Studying tactics is necessary to playing better chess. One definition of chess play I like is "staying even until you can win by tactical means!" This book is filled with real tactical situations from players of varying abilities. I enjoyed working through it very much.