Daybreak: The Dawning Ember (No-Eyes Series)

Entwined Lives: Twins and What They Tell Us about Human Behavior

Human Genetics: An Introduction to the Principles of Heredity

Anger Among Angels: Shedding Light on the Darkness of the Human Soul

Yesterday's Dawn: Hunters of the Ice Age (Lovespell)

Spiritual Roots of Human Relations

Yesterday and Forever (Time Passages Romance)

The Penguin Dictionary of Human Geography (Penguin Reference)

The Cultural Landscape: An Introduction to Human Geography

Controlling Human Heredity: 1865 To the Present (Control of Nature)