Cold As Hell: the Breakout Bestseller, First in Addictive an Áróra Investigation Series Volume 1 (Áróra Investigation, 1, Band 1)

Dark As Night: Volume 4 (An Arora Investigation, 4, Band 4)

Red As Blood: Volume 2 (Arora Investigation, 2, Band 2)

Gulag Archipelago [Volume 1], The: An Experiment in Literary Investigation (Perennial Classics, Band 1)

The Haunting of Ghost Asylum: A Investigation (The Series, Band 1)