Why Written
The Man Who Needed 452,696 Barrels of Water
The Sun's Great Horses
Old Sun Help
Moon Help
More Moon Help
Star Help
Help from Insensible Seas
The Fairy Gravitation
More Gravitation
The Fairy Pulls Great Loads
The Fairy Draws Greater Loads
The Fairy Works a Pump Handle
The Help of Inertia
One Plant Help
Gas Help
Natural Affection of Metals
Natural Affection Between Metal and Liquid
Natural Affection of Metal and Gas
Hint Help
Creations Now in Progress
Some Curious Behaviors of Atoms
Mobility of Seeming Solids
The Next World to Conquer
Our Enjoyment of Nature's Forces
The Matterhorn
The Grand Canon of the Colorado River.
The Yellowstone Park Geysers
Sea Sculpture
The Power of Vegetable Life
Spiritual Dynamics
When This World is Not