Full text of the book is available at http://www.foresight.org/EOC/
ISBN 0-385-19973-2
... a total area of 11.3 km² (4.4 mi²). 10.6 km² (4.1 mi²) of it is land and 0.6 km² (0.2 mi²) of it is water. The total area is 5.73% water. ...