981
982
983
by Floyd, Thomas L.
Published 1999
984
Published 2003
985
986
987
988
by Keller, Gerald.
Published 1997
989
by Stroud, K. A.
Published 2001
990
991
by Floyd, Thomas L.
Published 2000
992
by Hopkins, David
Published 2022
993
994
995
by Floyd, Thomas L.
Published 2005
996
by Dessler, Gary.
Published 2000
997
by Nagrath, I. J.
Published 1997
998