Two Tribes

2020

Beneath the World, a Sea

2019

Spring Tide

2018

America City

2017

Eden's Story

From the Arthur C. Clark winner for best science fiction novel

2017

Daughter of Eden

2016

Mother of Eden

2015

The Peacock Cloak

2013

Dark Eden

2012

Marcher

2009

The Turing Test

2008

Essential Theory for Social Work Practice

2006

The Holy Machine

2003

Human Growth and Development

2002

Tomorrow

1991