DNSSEC Mastery print now on Amazon

Amazon now has the print version of DNSSEC Mastery available.

I set the initial price assuming that they would discount. How much will they discount it, and when? No idea. Amazon is not inscrutable, but scrutling them exceeds my abilities. SSH Mastery print has ranged from ~$14 to ~$17 at various times, based how much coffee Bezos fed the cloud that morning.

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