A free, printable version of the 2015 USDA Guide to Home Canning is available here.
If you prefer to order a bound and printed copy, the 2015 Complete Guide to Home Canning is sold in print form by Purdue Extension: The Education Store. All inquiries about purchases will be handled by them. Their information page on the print version of this guide is located at https://www.extension.purdue.edu/usdacanning/.