Amateur Sleuth

Heads You Lose

The Deeds of the Disturber

The Witch's Grave

Threads of Treason

Detective Colwyn: The Shrieking Pit & The Hand in the Dark

Olga's Egg

To Catch a Cat

Duet for Piano & Chisel

Gertrude, Gumshoe: Slam Is Murder

Gertrude, Gumshoe: Gunslinger City

Fatal Bonds

Introducing Gertrude, Gumshoe

Hidden Passages

Shotgun, Shovels & Troubles

The English Garden Mystery

Fire

Discovery

Falling for The Lost Dutchman

Perfect Reflections

Death in the Cloisters