13 books
1977 pub |224 pages
1977 pub |288 pages
1981 pub |256 pages
1984 pub |244 pages
1986 pub |192 pages
1989 pub |308 pages
1992 pub |257 pages
1993 pub |228 pages
1996 pub |214 pages
2000 pub |335 pages
2003 pub |286 pages
2006 pub |320 pages