they are in PDF format, and way to big for most people to even receive them in their email box. Most are limited to 10 MB.
I see some other places where you can buy them pretty cheap if it isn't a fraud deal.
In your Google search bar just type in "Free Music Fake Books" with the marks for and aft and you will see all those that are available to buy as well as the one that had them removed from where I got them.
Bebop