Here's a Reading List for your reference - great beach reading if we ever get beach weather this summer! Developing your PASSION FOR LEAN is truly the key to your success - the more you read, the more inspiration and passion you can find for your journey. I've linked to their amazon.com pages so you can easily order them...
the first two books on the list are from the Lean Enterprise Institute (they have a ton of great resources in addition to these) and are available via amazon.com or via the LEI website
Managing to Learn: Using the A3 Management Process to Solve Problems, Gain Agreement, Mentor, and Lead (Paperback)
Fish! A Remarkable Way to Boost Morale and Improve Results (Hardcover)
Happier: Learn the Secrets to Daily Joy and Lasting Fulfillment (Hardcover)
Now, Discover Your Strengths (Hardcover)
Mastering the Rockefeller Habits: What You Must Do to Increase the Value of Your Growing Firm (Hardcover)Who Moved My Cheese?: An Amazing Way to Deal with Change in Your Work and in Your Life (Hardcover)