200 logic puzzles that'll make you think, challenge your ability to reason, and keep you entertained for countless hours!
This puzzle book for adults contains a wide variety of brain games that'll k……続きを見る
As late as 1950, many chess clubs in America excluded women. The Marshall Chess Club in New York City was an exception, organizing the U.S. Women's Chess Championship beginning in the late 1930s. Si……続きを見る
