Helen Goltz

Autumn Manor

Autumn Manor

Year unknown

Clairvoyant's Glasses Volume 4

Clairvoyant's Glasses Volume 4

Year unknown

Death by Disguise

Year unknown

Death by Reunion

Death by Reunion

Year unknown

Death by Sugar

Year unknown

Deathly Dolls

Deathly Dolls

Year unknown

Fourth Reich (Mitchell Parker Cri...

Fourth Reich (Mitchell Parker Crime Thrillers Book 3)

Year unknown

Grave Tales

Year unknown Helen Goltz and Chris Adams

Graveyard of the Atlantic

Year unknown

Graveyard of the Atlantic (Mitche...

Graveyard of the Atlantic (Mitchell Parker Crime Thrillers Book 2)

Year unknown

Mastermind

Year unknown H. M. Goltz and Helen Goltz

Mastermind

Mastermind

Year unknown

Mastermind (Mitchell Parker Crime...

Mastermind (Mitchell Parker Crime Thrillers Book 1)

Year unknown

Miss Matilda Hayward and the Asylum Patient

Year unknown

Morphers

Morphers

Year unknown

Mortician's Clue

Mortician's Clue

Year unknown

Murder at the Freak Show

Murder at the Freak Show

Year unknown

Murder in Bridal Lane

Murder in Bridal Lane

Year unknown

No Picnic at Hanging Rock

Year unknown

Ophelia à Deriva

Ophelia à Deriva

Year unknown Ana Barradas, Heloisa Miranda Silva, and Helen Goltz

Ophelia Adrift

Ophelia Adrift

Year unknown

The clairvoyant's glasses

Year unknown

The Fourth Reich

Year unknown

The House On Findlater Lane

Year unknown