Thank you for the great responses, I was so focused on physical books that I did not consider archiving information from the web.
My homestead will have solar power and I have many computers and a beast of a file server, I was also thinking DVD format might be a good idea.
Regarding the high prices of books, I have seen that already and don't mind paying for valuable information... if I know it is valuable information
EDIT** Anne, thank you for that book review link, I thought there might be something like that here but did not see it, thank you!!!