Lots and lots of tactics books. Chess by Lazlo Polgar, 1001 Deadly Checkmates by John Nunn, Chess Tactics for Champions by Susan Polgar, and Chess Tactics for the Tournament Player by Lev Alburt & Sam Palatnik all come to mind.
Also, any game collection will well annotated games I can find. Such as 500 Master Games of Chess by Tartakower, any of Kasparov's books, tournament books such as San Luis 2005, Reggio Emillia 2007/2008 by Mihail Marin, Korchnoi's Best Games by Korchnoi, My Most Memorable Games by Gelfand, etc.'
Also, Dvoretsky's Endgame Manual, Silman's Complete Endgame Course, etc.
Hello all I would like to know what chess books do you read? For example secrets of pawn endings,complete book of chess strategy,etc..