I have much more faith in the ability of paper books to maintain an archive of knowledge and experience, than an ever-expanding digital warehouse that is reliant on charitable donations.
Pro tip: you can send books media mail via the US Postal Service at a reduced cost.
They can be retrieved, though not especially speedily.
"Internet Archive founder turns to new information storage device – the book" (2012)
"There is always going to be a role for books," said Kahle, as he perched on the edge of a shipping container soon to be tricked out as a climate-controlled storage unit. Each container can hold about 40,000 volumes, the size of a branch library. "We want to see books live forever."
So far, Kahle has gathered about 500,000 books. He thinks the warehouse itself is large enough to hold about a million titles, with each one given a barcode that identifies the cardboard box, pallet and shipping container in which it resides....
If someone does need to see an actual physical copy of a book, Kahle said it should take no more than an hour to fetch it....
<https://www.theguardian.com/books/2011/aug/01/internet-archi...>
I didn't find that on a quick web search -- do you have a link?