Easy Cellar PDF is a complement to the famous The Lost Ways full survival guide.
Disclosure: Bear in mind that some of the links in this post are affiliate links, and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you.