July 1994, ISBN 0 477 02845 4.
Publications produced before 1998
This is a list of the publications produced before 1998, listed alphabetically by title.
September 1993, ISBN 0 477 02840 3.
December 1986.
1981.
October 1988, ISBN 0 477 02804 7.
1989.
August 1992, ISBN 0 477 02833 0.
September 1988, ISBN 0-477-02807-1.
December 1991, ISBN 0 477 02828 4.
November 1990, ISBN 0 477 02817 9.
December 1993, ISBN 0 477 02841 1.
October 1991, ISBN 0 477 02826 8.
March 1989, ISBN 0 477 02809 8.
March 1989, ISBN 0 477 02809 8.
July 1991, ISBN 0 477 02824 1.
August 1992, ISBN 0 477 02832 2.
August 1990, ISBN 0 477 02816 0
August 1991, ISBN 0 477 02822 5.
December 1991.
September 1996.