The first English translation of Fr Ruy López's 1561 book about chess, Libro de la invención liberal y arte del juego del ajedrez. López is widely acclaimed as one of the most influential chess thinkers of all time whose theories of chess are an integral part of how chess is played today.

"The first English translation of the 1561 book about chess, written for the court of Phillip II of Spain. Ruy Lâopez, who invented the important opening move that bears his name, is widely known as one of the most influential writers on chess theory"--