[BTerclinger]

That is a nazi website selling illegal PDF copies of the book.

It is available legitimately here
https://stlccw.com/product/unintended-consequences-softcover/

[waterhill]

Its free, I just downloaded it. Nazi? Really?

[zeugma]

It is available legitimately here https://stlccw.com/product/unintended-consequences-softcover/

I've never seen actual legitimate copies of Unintended Consequences on sale that weren't secondhand. The site above you mentioned even has autographed copies. WooHoo! I've had a pirated download of it for several years. Will be purchasing a copy now. Thanks.