Packt is celebrating the publishing of its 1000th title. As a result, it is offering a free download of any one of its eBooks. For more details, please read: http://www.packtpub.com/news/packt-publishing-reaches-1000-it-titles-and-celebrates-open-invitation
exalting message! 
Are you sure it’s free download? It says “surprise gift”.
Here’s what is written in an email from Packt:
To celebrate the event, we will be inviting anyone already registered to www.packtpub.com, or who registers before 30th September 2012, to download any one of our eBooks for free. Packt is also opening its online library for a week for free to members, offering customers an easy way to research their choice of a free eBook.
GREAT !!
Pactpub is giving a 7 day free access to all his library that can be read online, but you can download only one ebook.
but
seems they are overloaded as the library service at http://packtlib.packtpub.com/library gives "Error 503 service unavailable."
If, like me, you don’t have bookmarks or a wishlist, just google the subject you want (including “packt” obviously) 