School Administrator's Public Speaking Portfolio: With Model Speeches and Anecdotes P. Susan Mamchak, Steven R. Mamchak ISBN: 978-0-13-792556-8 Paperback 360 pages April 1983, Jossey-Bass US $45.95 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.