Original Bobbsey Twins

1904 • 5 Readers • 196 pages • 4.5

1907 • 3 Readers • 179 pages • 4

1907 • 2 Readers

1913 • 2 Readers • 4

1913 • 1 Reader

1915 • 2 Readers

1915 • 2 Readers • 4

1916 • 3 Readers • 176 pages • 4

1913 • 1 Reader

1917 • 1 Reader

1918 • 1 Reader

1919 • 1 Reader

1920 • 1 Reader

1921 • 1 Reader

1922 • 2 Readers • 3

1923 • 1 Reader

1924 • 1 Reader

1925 • 1 Reader • 3

1926 • 1 Reader • 176 pages

1927 • 1 Reader

1928 • 1 Reader

1929 • 2 Readers • 224 pages • 4

1930 • 1 Reader

1932 • 1 Reader • 183 pages

1933 • 1 Reader

1934 • 2 Readers • 218 pages • 4

1935 • 1 Reader

1936 • 2 Readers • 4

1937 • 1 Reader

1938 • 1 Reader • 215 pages

1939 • 1 Reader • 216 pages

1940 • 1 Reader • 214 pages

1941 • 1 Reader

1942 • 1 Reader • 185 pages

1943 • 1 Reader

1945 • 1 Reader

1946 • 1 Reader • 210 pages

1947 • 1 Reader • 212 pages

1948 • 1 Reader

1949 • 2 Readers • 4

1950 • 1 Reader • 180 pages

1951 • 1 Reader • 177 pages

1952 • 1 Reader • 177 pages

1953 • 1 Reader • 177 pages

1953 • 1 Reader

1954 • 2 Readers • 4

1956 • 1 Reader • 184 pages

1957 • 1 Reader

1957 • 2 Readers • 182 pages • 4

1959 • 1 Reader • 182 pages

1960 • 1 Reader

1961 • 1 Reader • 180 pages

1962 • 1 Reader

1962 • 1 Reader • 176 pages

1964 • 1 Reader

1964 • 1 Reader

1966 • 1 Reader

1967 • 1 Reader

1968 • 1 Reader • 133 pages

1969 • 1 Reader

1970 • 1 Reader

1971 • 1 Reader

1973 • 2 Readers • 3

1974 • 1 Reader

1975 • 2 Readers • 1