How to play the Middle Game in Chess by John Littlewood

Les envío este link para la descarga de un interesante libro:

How to play the Middle Game in Chess by John Littlewood
pdf: http://www.mediafire.com/?ree4wdawtj8s557
djvu: http://www.mediafire.com/?bksj1c8gf0d6et4

Cortesía de Immortal Chess

Cordiales saludos
esocrates