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by: Ken Blanchard · Mark MillerHardcover details (USA). details (UK). details (Germany). details (Canada). ISBN: 978-1-60509-268-3 ISBN-10: 1-60509-268-1 Berrett-Koehler Publishers · 2009  | 
| See also: | ||
| 2014 | Hardcover | The Secret: What Great Leaders Know and Do | 
| 2007 | Paperback | The Secret: What Great Leaders Know and Do | 
| 2004 | Hardcover | The Secret: What Great Leaders Know and Do | 
| 2004 | Audio CD | The Secret: What Great Leaders Know--and Do |