by Margaret Penrose (Stratemeyer Syndicate)
Setting 1908 to 1917.
- Dorothy Dale: A Girl of Today 1908
- Dorothy Dale at Glenwood School 1908
- Dorothy Dale’s Great Secret 1909
- Dorothy Dale and Her Chums 1909
- Dorothy Dale’s Queer Holidays 1910
- Dorothy Dale’s Camping Days 1911
- Dorothy Dale’s School Rivals 1912
- Dorothy Dale in the City 1913
- Dorothy Dale’s Promise 1914
- Dorothy Dale in the West 1915
- Dorothy Dale’s Strange Discovery 1916 (unavailable online)
- Dorothy Dale’s Engagement 1917 (unavailable online)
Still under copyright
13. Dorothy Dale to the Rescue 1924