Autor: Mildred A. Wirt Benson

Missing Formula
Mildred A. Wirt Benson

Flash Evans, Camera News Hawk
Mildred A. Wirt Benson

Hoofbeats on the Turnpike
Mildred A. Wirt Benson

Secret Pact
Mildred A. Wirt Benson

Wishing Well
Mildred A. Wirt Benson

Clue of the Silken Ladder
Mildred A. Wirt Benson

Behind the Green Door
Mildred A. Wirt Benson

Clock Strikes Thirteen
Mildred A. Wirt Benson

Swamp Island
Mildred A. Wirt Benson

Swamp Island
Mildred A. Wirt Benson

Clue of the Silken Ladder
Mildred A. Wirt Benson

Clock Strikes Thirteen
Mildred A. Wirt Benson