2019
$45.95
1989
$25.00
2008
2012
$50.00
$12.95
2020
$17.95
2017
$35.00
2013
$20.00
$45.00
$65.00
2014
2015
2011
2018
$60.00
2021
$55.00
2016
$53.00
$29.95
$30.00
$49.95
$150.00
$34.95
$39.95
$14.95
2004
$40.00
$27.95
November 2019 (Third edition)
2000
2009
$85.00
$22.00
2007
$75.00
$3.97
2005
$120.00
2010
$39.00
2006
$1.00
$70.00
$23.96
$80.00
$52.00
2003
$100.00
$56.00
$19.95
$18.95
$59.95
$90.00
March 2020
2013. Reprint edition 2015
1991
$15.00
September 2020
1999
$200.00
$95.00
November 2018
1995
$27.50
$1,000.00
$29.50
$28.00
February 2019
2002; reprinted 2016
$5.00
$128.00
$89.95
1998
1994
$33.00
$68.00
$79.95
October 2018
2002
November 2019 (third edition)
$39.99
$175.00
$24.95
$32.50
1999, sixth edition
November 2019
$14.00
$69.95
$24.50