Ordine di lettura
1
The Story of Doctor Dolittle / Doctor Dolittle
1920
2
The Voyages of Doctor Dolittle / Doctor Dolittle and the Pirates
1922
3
Doctor Dolittle's Post Office
1923
4
Doctor Dolittle’s Circus
1924
5
Doctor Doolittle's Zoo
1925
6
Doctor Dolittle's Caravan
1926
7
Doctor Dolittle's Garden
1927
8
Doctor Dolittle in the Moon
1928
9
Gub Gub's Book
1932
10
Doctor Dolittle's Return
1933