Something you do not know about printing !
1. Which is the largest printed book in the world ?
The answer is Klencke Atlas !
It's printed in 1660, and only 31 copies of the book. It is 1.75 metres tall (about 5 ft, 9in) by 1.9 metres wide when open (about 6 ft, 3in), 39 sheets/68 pages...