Evolution

The Butterfly Hunter

Science & Cosmic Messengers

The Social Behavior of Older Animals

The Genesis of Nature and the Nature of Genesis

Creatures Born of Mud and Slime

Peripheral Visions

First Steps

Darwin's On the Origin of Species

The Evolution of Man Scientifically Disproved in 50 Arguments

The Descent of Man

The Coming of Evolution

Cambrian Ocean World

Mr. Gladstone and Genesis

Undeniable

Social Learning

Nature's Compass

Nature All Around Us

The Upright Ape

On the Reception of the 'Origin of Species

Biology versus Theology