David L. Applegate, Robert E. Bixby, Vasek Chvátal & William J. Cook

The TSP book can be ordered online at the following sites.

Princeton University Press		List Price $72.50. Chapter 1 available in PDF format.
Barnes and Noble		$42.98
Amazon.com		$58.21
Amazon.co.uk		£ 47.50
bol.de		EUR 50,90
Amazon.de		EUR 54,99
Amazon.co.jp		¥ 6,723