The Secret Seven series....
1 - The Secret Seven1st published 1949
2 - Secret Seven Adventure1st published 1950
3- Well Done Secret Seven1st published 1951
4 - Secret Seven On The Trail1st published 1952
5 - Go Ahead Secret Seven1st published 1953
6 - Good Work Secret Seven1st published 1954
7 - Secret Seven Win Through1st published 1955
8 - Three Cheers Secret Seven1st published 1956
9 - Secret Seven Mystery1st published 1957
10 - Puzzle For The Secret Seven1st published 1958
11 - Secret Seven Fireworks1st published 1959
12 - Good Old Secret Seven1st published 1960
13 - Shock For The Secret Seven1st published 1961
14 - Look Out Secret Seven1st published 1962
15 - Fun For The Secret Seven1st published 1963
