With some outside forces, a hiker realizes her unfortunate situation.
About the Small Square and the Small Triangle
Flatland
The Art of Fugue
M.C. Escher: Sky and Water 1
French Windows
The Dot and the Line: A Romance in Lower Mathematics
Four-Point Conics
Toroid
Autumn Leaves
Rotating Cubic Grid
Tondo
Perspectives
Map Projections
Cube
Cubits
Keep on Turning
Dimensions
Clouds Are Not Spheres
Here Come the 123s