- 92 pages
- 4 hours of reading
1987- 96 pages
- 4 hours of reading
1987- 127 pages
- 5 hours of reading
1986 - 95 pages
- 4 hours of reading
1986- 95 pages
- 4 hours of reading
1986- 128 pages
- 5 hours of reading
1986- 126 pages
- 5 hours of reading
1986 
1985- 127 pages
- 5 hours of reading
1985 - 95 pages
- 4 hours of reading
1985- 90 pages
- 4 hours of reading
1984- 89 pages
- 4 hours of reading
1984- 126 pages
- 5 hours of reading
1984- 127 pages
- 5 hours of reading
1984 - 91 pages
- 4 hours of reading
1984
1983- 126 pages
- 5 hours of reading
1983 - 125 pages
- 5 hours of reading
1983 - 95 pages
- 4 hours of reading
1983- 127 pages
- 5 hours of reading
1982
1982- 94 pages
- 4 hours of reading
1982
1981
1980- 95 pages
- 4 hours of reading
1980- 127 pages
- 5 hours of reading
1979- 95 pages
- 4 hours of reading
1979
