The Day After Death; Or, Our Future Life According to Science (New Edition)

Star-land

Being Talks With Young People About the Wonders of the Heavens

The Mosaic History of the Creation of the World

Illustrated by Discoveries and Experiments Derived from the Present Enlightened State of Science; With Reflections, Intended to Promote Vital and Practical Religion

Man or Matter

Introduction to a Spiritual Understanding of Nature on the Basis of Goethe's Method of Training Observation and Thought

Earths In Our Solar System Which Are Called Planets, and Earths In The Starry Heaven Their Inhabitants, And The Spirits And Angels There

The Temple of Nature; or, the Origin of Society

A Poem, with Philosophical Notes

Astronomical Myths

Based on Flammarions's "History of the Heavens"

Eureka

A Prose Poem

Timaeus