Craig Hickman

title	ISBN-13	year of publica- tion	other author(s)
El Principio De Oz	978-1-59184-212-5	2004	Roger Connors · Tom Smith
Mind of a Manager, Soul of a Leader	978-0-471-56934-3	1992
The Oz Principle	978-1-59859-614-4	2009	Roger Connors · Tom Smith
The Oz Principle: Getting Results Through Individual & Organizational Accountability	978-0-7352-0043-2	1998	Roger Connors · Tom Smith
The Oz Principle: Getting Results through Individual and Organizational Accountability	978-1-59184-024-4	2004	Roger Connors · Tom Smith
The Oz Principle: Getting Results Through Individual and Organizational Accountability	978-1-886463-83-7	2000	Roger Connors · Tom Smith