Five Bobbsey Twins books - 1 - Bobbsey Twins at the Seashore, Goldsmith, 1940s, fair 2 - Bobbsey Twins, Whitman cello, 1950s, fair 3 - Mystery at Snow Lodge#5, G&D purple hardcover, 1980s, excellent 4 - County Fair Mystery#15, G&D purple hardcover, 80s, very good 5 - Circus Surprise#25, G&D purple hardcovers, 80s, very good