Ciarcia's Circuit Cellar

[Alexandre Souza]

> The first three volumes of the Ciarcia's Circuit Cellar books are now
> available for online viewing (but not downloading) at Google Books.
> These books collect Steve Ciarcia's 70s/80s Byte columns - lots of
> interesting stuff.

    There is a downloadable version at
     http://www.4shared.com/dir/14813159/7e7c16f9/sharing.html

    I'd like to be advised about the legality of sharing this link. Steve is 
still alive and is a great author, but the books are long out of print. 
Seems grayish area to me, but since they are avaiable on google books, why 
not in PDF?