ISBN:1-4391-3338-7, $22.00
Hardcover (March 2010)

ISBN:978-1-4516-3804-2, $7.99
Paperback (February 2012)

DOI:1439133387, $6.99
eBook (March 2010)

ISBN:0-7434-7154-7, $22.00
Hardcover (September 2003)

ISBN:0-7434-9893-3, $7.99
Paperback (March 2005)

DOI:0743471547, $5.00
eBook (September 2003)

ISBN:0-671-31979-5, $6.99
Paperback (March 2001)

DOI:0671319795, $4.00
eBook (March 2001)

ISBN:0-671-57788-3, $6.99
Paperback (February 1999)

DOI:0671577883, $4.00
eBook (February 1999)