Science

The Ancestry of Modern Amphibia: A Review of the Evidence

Parallel Paths: A Study in Biology, Ethics, and Art

Fossil Butterflies

An Essay to Shew the Cause of Electricity

Circular Energy

The New Age of Space Exploration

Forest Bathing: How Forest Bathing Enhances Your Well-being (Forest Bathing for Recovery and Finding Calm, Creativity, and Connection in the Natural World)

Higher Psychology

Guide. Become a God

Atom Mystery

Section-Cutting: A Practical Guide to the Preparation and Mounting of Sections for the Microscope

An Introduction to the Study of Meteorites

The Study of Astronomy

Fossils

Mars: Our New Home? – National Plan to Conquer the Red Planet (Official Strategies of NASA & U.S. Congress)

Mars: Our New Home? – National Plan to Conquer the Red Planet (Official Strategies of NASA & U.S. Congress)

Look to the Stars

The Source and Mode of Solar Energy Throughout the Universe

The New Forest, Its History and its Scenery

The Methods and Scope of Genetics