Book 1

Sub-Human

by David Simpson

Published 24 October 2012

Book 2

Post-Human

by David Simpson

Published 1 April 2009

Book 3

Trans-Human

by David Simpson

Published 1 April 2011

Book 4

Human Plus

by David Simpson

Published 23 October 2013

Book 5

Inhuman

by David Simpson

Published 28 May 2014