Luděk Pachman (German: Ludek Pachmann) was a Czechoslovak-German chess grandmaster, chess writer, and political activist. In 1972, after being imprisoned and tortured almost to death by the Communist regime in Czechoslovakia, he was allowed to emigrate to West Germany. He lived the remainder of his life there, and resumed his chess career with considerable success, including playing in the Interzonal in 1976 and winning the West German Championship in 1978.
Ludek Pachman was one of the great chess masters and teachers of the past. His legacy includes a win over Bobby Fischer in 1959. This is the first of a three volume set of instructional books, expanded from the original book first published in 1963. Although this book dates from 1975, the concepts are still valid, and the game examples are appropriate. My copy is an English translation by John Littlewood and is written in English descriptive notation, not the more recent trend toward algebraic or symbolic.