Masters, Roger D.:
Title FORTUNE IS A RIVER. Leonardo da Vinci and Niccolo Machiavelli's Magnificent Dream to Change the Course of Florentine History.
Book Number 81329
New York, The Free Press, (1998). Cloth spine and boards, fine in sl. edgecreased d/w, illust., pp. 278. ISBN 0-684-84452-4. A fascinating account of the friendship and alliance between Leonardo and Machiavelli, which culminated in a failed attempt to build a series of canals to make the Arno navigable from Florence as far as the sea.
Italy Florence Renaissance history biography Leonardo da Vinci Machiavelli Arno river engineering