These chapters are well done, if not well-fleshed out, but there is plenty of inspiration for scenarios. However, there are books that do a better job. This volume does little more than wet a whistle. Unfortunately Brickel is equally light when it comes to tracing the evolution of doctrine. In large part this is not due to any failing on his part.
Few things are more difficult than trying to identify administrative history.
So much is routinely lost and forgotten. Yet what Bickel does come up with is compelling. He argues that the development of doctrine owed more to individuals that to anything else and makes a strong case for his position. It is fascinating to speculate what impact this publication would have had if Pearl Harbor had not intervened. If you love the period, find a better history book.