Anyone can injure themselves and find it difficult to carry books around, and while we make as many books available electronically as possible, a few books remain only available in print, while some people prefer to read from printed books, particularly when they study for extended periods. Often, academic books tend to be the sort of heavy book with which you can prop open a door or build a small bunker.
Happily, between our postal loans, wheeled book trolleys, and click and collect service, both our print and electronic books are easily available to everyone.