Ya that other site hosts torrents of e-books, and while it may be legal for the qt book, I can't veify that all the books on that site are legit, hence my removal of the link. You can find the book here though:
http://www.amazon.com/gp/product/0131872494/sr=8-1/qid=1156438822/ref=pd_bbs_1/104-7069287-5590335?ie=UTF8