The Great Pyramid: Observatory, Tomb, And Temple
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Other Worlds Than Ours (1901)
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Pleasant Ways In Science
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First Steps In Geometry
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A New Star Atlas For The Library, The Sc
In Twelve Circular Maps »

The Moon
Her Motions, Aspect, Scenery, and Physical Condition »

The Sun: Ruler, Fire, Light, And Life Of
Ruler, Fire, Light, and Life of the Planetary System »

Strength; How To Get Strong And Keep Strong With Chapters On Rowing And Swimming, Fat, Age, And The Waist
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Essays On Astronomy
A Series of Papers on Planets and Meteors, the Sun and Sun-Surrounding Space, Stars and Star Cloudlets; And a Dissertation on the Approaching Transits of Ven... »

Other Worlds Than Ours (1883)
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