Gordon. <cite>Structures, or Why Things Don't Fall Down</cite>
[Who could resist a book with chapters like ``How to Design a Worm''?  Also
good on catapults, compound bows, bridges, cathedrals, airplanes, and insisting
to engineers that it's important to make things people can bear looking at.
He's almost certainly wrong that <em>most</em> everyday objects of the 18th
century looked better than their modern equivalents, because the sample
which has survived is biased towards the ones worth keeping.]