You can download Winning Chess Endings by Yasser Seirawan free in pdf format.
Winning Chess Endings explains how to:
*Relentlessly find checkmates, from easy to hard, in all basic endgame patterns
*Master the intricacies of King and Pawn Endings
*Win consistently in the most common endgame–the Rook ending
*Master the pros and cons of Bishop vs. Knight Endgames
*Seize the advantage in Rook Pawn and Queen Pawn endings
*Play like a grandmaster in solitaire endings
About Yasser Seirawan
Yasser Seirawan is a chess grandmaster and four-time United States champion. He was winner of the World Junior Chess Championship in 1979. Seirawan is also a published chess author and commentator.