Did you know that the Guinness Book of World Records lists the Gutenberg Bible as the world’s oldest mechanically printed book? This book, also referred to as the 42-Line Bible, was printed in 1455 AD!!
To purchase one of Gutenberg’s precious books back then would have cost you the equivalent of 3 years average wages!
Read more about Gutenberg and his early prints here.
https://wiganlanebooks.co.uk/blog/interesting/10-of-the-oldest-known-surviving-books-in-the-world/