You can easily print from Google Books for any books are available in the public domain. Here's how to do it.
You can save any PDF onto an iPad, and read them in apps like Apple Books and Google Drive. Here's how to save PDFs on an iPad, with specific steps.
But if you use Google Drive, all your photos, videos and other random documents might be eating up the 15GB of free storage Google Drive provides. If you run out of storage, you'll see a message ...
Indiana Code does not specify what to do with books if they are removed, so it's murky what typically happens to physical copies.