Yes, you can download any NIST Publication and print it yourself, but who has time for that? If its a 500 page book it will take hours to print it over the Network, punch holes in the pages and put it in a huge binder. It's more cost effective to order a copy from Amazon.com. Many are also available as eBook with bookmarks and hyperlinks to make searching easier and faster. AND, get the eBook FREE when you buy the paperback. The eBook has Hyperlinks.