I actually shelled out for the Wool omnibus edition:
http://www.amazon.com/Wool-Omnibus-Edition-Silo-ebook/dp/B0071XO8RA
And when the budget fairy waves her magic wand, I shall be buying the other two of the series...
Probably others.
...No, I'm not getting paid, the author PDF'ed me a free copy of the first short stories in the book, and I was seriously hooked, and so bought
(Hey man, the first one's free!)
I love dystopian post-apocalyptic thrillers, ok?
If you do too, it's damn good.