$15 is almost inconsequential if you're smart enough to have a programming or 'ops' job in the Western Hemisphere. What is far more scarce is the time to read a

$15 is almost inconsequential if you're smart enough to have a programming or 'ops' job in the Western Hemisphere. What is far more scarce is the time to read and apply the knowledge from those books. So while I dutifully purchased the package, I doubt that I will spend enough time with the material, beyond some wicked awk recipes for parsing logs, which I suspect, you can also google for.