Note: some of the below links are affiliate links, however, they're products I personally use or believe will be of help to you and cost you absolutely no more. I make a small commission on some of the products if you purchase through the below link.
Fermenting Books
Everything Worth Preserving
Includes my favorite fermenting recipes, brine charts, and more.
Canning Books
Everything Worth Preserving
My favorite is Everything Worth Preserving, it has water bath, steam and pressure canning.
Ball Blue Book of Canning
I don't have this version, but I hear from many many experienced canners that this is the gold standard and best canning book to start with. Make sure you're using a new edition though like this one.
Ball Complete Book of Canning
This has lots of standard recipes, canning instructions and safety tips, pressure canning. It's heavier on the water bath recipes (lots of sauces, jams, jellies, salsas, and even a chocolate one) but it does include some pressure
Cheese Making Books
Mastering Basic Cheesemaking
The Fun and Fundamentals of Making Cheese at Home by Giancalis Caldwell.
Milk Cow Kitchen
Cowgirl Romance, Backyard Cow Keeping, Farmstyle Meals and Cheese Recipes from Mary Jane Butters
Natural Medicine and Herb Books
The Essential Guide to Herbal Safety
by Simon Mills and Kerry Bone. (Excellent book on herbal safety includes the top 125 most common herbs)
Herbal Antivirals
by Stephen Harrod Buhner. (the BEST herb book I've read so far with clinical data and doses for use with viruses specifically)
Rosemary Gladstar’s Medicinal Herbs
Even though it says for beginners, it takes you in-depth not just on the uses of the herb, but with growing tips too.
Alchemy of Herbs
I really enjoy this book, it's where I first learned about the energetics of herbs and matching them to yourself.
The Homesteader’s Herbal Companion
by Amy Fewell, is a great book and also dives into using herbs for your livestock, especially chickens.
Foraging and Wild Edibles
Foraging and Wild Edibles Reference books by YOUR region!
American Botanical Council
Great website with both free information and some paid resources
Gardening Books
The New Vegetable Growers Handbook
by Frank Tozer. Excellent resource on growing vegetables, when to plant, how much, including seed saving (though not as heavy on seed saving as Seed to Seed). This is my go to reference for growing vegetables and troubleshooting problems.
Sourdough Books
Seed Saving Books
Seed to Seed: Seed Saving
by Suzanne Ashworth. This is the Bible for Seed Savers, it breaks it down on when to plant by region in the United States and focuses solely on seed saving for each plant. This is the book I use when I'm seed saving something new or encounter a problem
Farming Books
Polyface Designs: A Comprehensive Construction Guide for Scalable Farming Infrastructure
By Joel Salatin and Chris Slattery