How do you draw a heptagon? What about a heptakaidecagon? How do you fit circles perfectly into triangles? And around them? If the computer is down - could you do it with ruler and compass? In this unique pocket book, Andrew Sutton guides you through the once treasured principles of ruler and compass constructions, used for centuries by architects, carpenters, stonemasons and master craftsmen. Designed to last until the lights go out, this is a timeless book. WOODEN BOOKS USA. Small books, BIG ideas. Tiny but packed with information. "Stunning NEW YORK TIMES. Fascinating FINANCIAL TIMES. Beautiful LONDON REVIEW OF BOOKS. Rich and Artful THE LANCET. Genuinely mind-expanding FORTEAN TIMES. Excellent NEW SCIENTIST.