Leading in a Time of Change: What It Will Take to Lead Tomorrow (Video) , Viewer's Workbook Peter F. Drucker, Peter Senge ISBN: 978-0-7879-5668-4 Paperback 64 pages January 2001, Jossey-Bass US $25.00 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.