Did you know?

A random book factoid:

Did you know only 24 books are produced for every tree felled?

To put that figure into context, JK Rowling’s Harry Potter books have sold over 400 million copies – meaning 16,666,666.67 trees have been felled just to cover the paper for those books alone.

I wonder how many trees have been felled to create all the squillions of pound notes she has earned from the books? :P