If you are in the entertainment industry or have even a passing interest in it, read this book.
It has its flaws. For example, with all of its footnotes and extensive citations, there are assertions made about situations the author would have no firsthand knowledge of, yet are not supported with references. There is one episode about Marilyn Monroe, in particular, that would have so much more power if there were a citation...There is also a bit of a knowing, insider tone that presumes the reader knows certain historical events or milestones that no lay person would have reason to know. In what is ultimately a non-academic, pop history book, these should be fatal flaws, except...
The story the book tells, how it tells it and the people whose voices are included make the good far outweigh any bad. There simply won't be another general interest book covering this period or point of view. I am not aware of a revised edition, but there is easily room for one as the main subject was still living when the book was published and the business he left behind went through a convulsive period in the years following publication.
Read this book.