Already dubbed the most believable time travel adventure ever written, this is the first instalment of the Sixty-Six trilogy.

Have you ever felt uneasy when alone? Or sensed a presence you can’t explain? Simon Benson has.

Air-conditioning engineer Simon is single and dissatisfied with life, so when his student inventor friends John and Emily ask for help with their Human Aspect Scanner – a machine that captures glimpses of the past through harnessing powerful residual energy - Simon jumps at the chance.

At first the trio revel in their discoveries, snooping...