The hardest part of growth is finding out you're not as good as you thought at something. After that, it's just a matter of time, effort, pace and cadence to get better.
One thing this field manual - and it's written like a field manual, more on that later - it has specific notes. From equipment considerations to defining search techniques.
I grabbed this book on a whim. After I finished Report from Engine Company 82, I just started browsing Amazon for firefighter memoirs to read. Not My Emergency fell into my lap