Sterling, Madge (Fictitious character)

The Secret of the Sundial

Madge Sterling Series, #3

Mildred A. (Mildred Augustine) Wirt

The Deserted Yacht

Madge Sterling Series, #2

Mildred A. (Mildred Augustine) Wirt

The Missing Formula

Madge Sterling Series, #1

Mildred A. (Mildred Augustine) Wirt