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