The Last Stone: A Gripping Account of a Cold Case Criminal Investigation

The Headhunters: An Inspector Hen Mallin Investigation

The Last Circle: Danny Casolaro's Investigation into the Octopus and the...

The Natural Mind: An Investigation of Drugs and the Higher Consciousness

Life after Life: The Investigation of a Phenomenon - Survival of Bodily Death

The Education of Brett Kavanaugh: An Investigation

Supernovae & Nucleosynthesis - an Investigation Of the History of Matter,...

Alien Dawn: An Investigation into the Contact Experience