Danny Dunn is a 7-book series with 7 primary works first released in 1956 with contributions by Jay Williams, Raymond Abrashkin, and 2 others.
1956 • 1 Reader • 150 pages • 3
1957 • 1 Reader • 160 pages • 3
1959 • 1 Reader • 150 pages • 3
1962 • 1 Reader • 138 pages • 4