Monsters Series is a 6-book series first released in 1977 with contributions by Ian Thorne, William R. Sanford, and 2 others.
1977 • 1 Reader • 47 pages
1987 • 1 Reader • 47 pages
1982 • 1 Reader • 48 pages
1977 • 1 Reader • 47 pages
1 Reader
1987 • 1 Reader • 47 pages