This book is unlike most film theory books in that it gives practical examples from the author's considerable personal experience in the film business. It can be used by film students, film makers or writers as a theoretical and practical guide to understanding the process. It is filled with amusing and useful anecdotes and is clearer and more fun than similar books. I recommend it.
For those people that just stumbled on this book and are not aspiring filmmakers, the insight and even the abundance of photographs from major scenes are worth the purchase price.
For the rest of us, everyone knows what makes a professional in any field is that little extra effort to be one-step ahead of the next person. This book may be that next step.
A paragraph from the introduction says it all: "How does a surgeon attack a tumor, a lawyer a murder case, or an architect a concert hall? When you learn a craft, or a profession, or an art (and film is all of these), you have to master a way of thinking as well as a set of skills. A way of approaching the problem that make techniques your tool."