A straightedge, compass, and a little thought are all that's needed to discover the intellectual excitement of geometry. Harmonic division and Apollonian circles, inversive geometry, hexlet, Golden Section, more. 132 illustrations.
Charles Stanley Ogilvy Book order (chronological)
June 16, 1913 – June 21, 2000



Mathematische Leckerbissen
- 111 pages
- 4 hours of reading
Unterhaltsame Geometrie
- 110 pages
- 4 hours of reading