E-book Invaluable: The Secret to Becoming Irreplaceable Dave Crenshaw ISBN: 978-0-470-60945-3 E-book 176 pages March 2010, Jossey-Bass US $12.99 Purchase This E-book This price is valid for United States. Change location to view local pricing and availability. Important E-book Information Adobe e-books are read using Adobe Digital Editions. Install Adobe Digital Editions on your PC in order to read or transfer your e-book. Buy from another retailer for your e-book reader Amazon Apple iBooks Barnes & Noble Google Play Kobo Other Available Formats: Hardcover