Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Safeer Ullah Khan, (born April 7, 1985 in Peshawar) is a professional squash player who represented Pakistan. He reached a career-high world ranking of World No. 71 in February 2004. Squash is a racquet sport played by two players (or four players for doubles) in a four-walled court with a small, hollow rubber ball. Squash is recognized by the IOC and remains in contention for incorporation in a future Olympic program. Squash has been recognized as the world''s healthiest sport.