
1948
Shows how Jim and Bob use protractor and ruler to study such figures as rectangles, triangles and circles, and such principles as congruence, similarity and symmetry, in constructing a model porch.

Clouds Are Not Spheres

M. C. Escher: Journey to Infinity

Four-Point Conics

CircleSpeak

Berra

Dimensions

Solving the Bonnet Problem

Here Come the 123s

Flatland

The Dot and the Line: A Romance in Lower Mathematics

Flatland

Cubits

Cube

Tondo

Rotating Cubic Grid

Toroid

Map Projections

From the Point to the Shape

About the Small Square and the Small Triangle

French Windows