Sysadmin Appreciation Day sale!

We all know that sysadmins don’t get enough credit.

Someone cared enough to create Sysadmin Appreciation Day, which is very nice, except that the only people who know about it are, well, sysadmins. And we are really crappy at appreciating anyone, including ourselves.

So, over at Tilted Windmill Press, I’m having a sale. The coupon code SAD15 gets you half off of all individual ebooks.

This means you could get all 7 Mastery titles in ebook for $35.

The coupon does not work on the discounted 3-...