Please note that the content of this book mainly consists of articles available from Wikipedia or other free online sources. Safeer Ullah Khan, born on April 7, 1985, in Peshawar, is a professional squash player who has represented Pakistan. He achieved his highest career world ranking position of 71 in February 2004. Squash is a racket sport played by two players (or four players in doubles) on a four-walled court with a small, hollow rubber ball. Squash is recognized by the IOC and remains in the running for inclusion in a future Olympic program. Squash is considered the healthiest sport in the world.