Canning has been around for a lot longer than I have been alive, so why not take advantage of that and use great probably forgotten tips from the past!
This great article also includes a section on “Canning Arithmetic” from that time period, it provides a guideline for what quantities to expect from several different types of fruits.
Books weigh something, but the knowledge they contain doesn’t; once learnt you carry that knowledge with you, wherever you go and whatever you face…
Check out the: K.W.N Recommended Book List