12 books
1977 pub |180 pages
1977 pub |288 pages
1979 pub |309 pages
1980 pub |384 pages
1980 pub |260 pages
1983 pub |272 pages
1984 pub |464 pages
1989 pub |183 pages
1992 pub |566 pages
2003 pub |411 pages
2004 pub |544 pages
2012 pub |438 pages