Understanding Chess Move by Move, by John Nunn
Contains 30 modern games explaining important aspects of chess and illustrate modern chess principles in action. Clearly explained moves, emphasis on general principles, with some detailed analysis.

The Right Way to Play Chess, by D. Brine Pritchard
Explains modern and internationally approved methods of chess. Detailed and illustrated explanations of the basic rules and general theories of chess, openings, middle games, end games, and more.

The Reassess Your Chess Workbook, by Jeremy Silman
Provides problems designed to test a player's strengths and weaknesses. These problems cover openings, middlegames and endgames. As a player completes one of these problems, he or she may then turn to Mr. Silman's answer.