- E-bookBillie Bradley at Three Towers Hall Or, Leading a Needed RebellionJanet D. Janet D. Wheeler
- E-bookBillie Bradley and Her Inheritance Or, The Queer Homestead at Cherry CornersJanet D. Janet D. Wheeler
- E-bookBillie Bradley and Her Classmates The Secret of the Locked TowerJanet D. Janet D. Wheeler
- E-bookBillie Bradley on Lighthouse Island Or, The Mystery of the WreckJanet D. Janet D. Wheeler