Informal intermediate introduction, quite strong in explaining reasons for moves. Covers basic material, tactics, important openings, traps, positional play in middle game, end game. Attempts to isolate patterns and recurrent configurations.
An Introduction to Chess Moves and Tactics Simply Explained
Detailed explanation of principles, varieties, techniques and ideas behind them, illustrated with many examples from great players. 200 diagrams.
The Art of Chess Combination
The first systematic attempt to explain and exploit the theory of chess sacrifice, this guide remains an extremely helpful weapon in the arsenal of players at every level.
The Art of Sacrifice in Chess