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3 reviews | 5 out of 5
I read this book when it was first released in the 1970's. I have let my friends use it and lost it many times. I have given this book to my friends and family.I find it valuable as a professional tool as well as personal growth and development. Ilike the fact that it is written in a way that anyone can read and understand the concepts. The 25th anniversary is a welcomed read. I will not loan this one out!