Geoffrey Muller

Horrors of the Black Museum

Street of Shadows

Dial 999

Mystery Junction

Hunted

Noose for a Lady

The Counterfeit Plan

Man with a Gun

The Intimate Stranger

The Strange Awakening

The Deadliest Sin

Timeslip

Escapement

The Floating Dutchman

Wide Boy

Counterspy

Little Red Monkey

Inside Information