Looks like the linked PDF is with the "Compliments of PayPal", Google Cache[1] still has that version of the O'Reilly store page while now actually cost money again. So I guess someone was clever to save the download link while the promotion lasted? :)
Looks like the linked PDF is with the "Compliments of PayPal", Google Cache[1] still has that version of the O'Reilly store page while now actually cost money again. So I guess someone was clever to save the download link while the promotion lasted? :)
[1]: http://webcache.googleusercontent.com/search?q=cache:tTFeN8y...