The Essential Prepper's Canning And Preserving Guide: The Only Book You Need On Water Bath, Pressure Canning, Dehydrating, Fermenting, Freeze Drying, ... Survive A Collapse
This is an excellent, very thorough description of the different options in canning and preserving food. It describes the different processes and guides one on which method is better under different conditions. There are even recipes included. I definitely recommend this book to anyone who is considering food preservation and canning!