Portfolio Theory and Investment Management, 2nd Edition Richard Dobbins, Stephen Witt, John Fielding ISBN: 978-0-631-19182-7 Paperback 192 pages January 1994, Wiley-Blackwell US $44.95 Add to Cart This price is valid for United States. Change location to view local pricing and availability. This is a Print-on-Demand title. It will be printed specifically to fill your order. Please allow an additional 2-3 days delivery time. The book is not returnable.