The sizes of the countries on the map are based on the value of their domestic publishing markets…As you can see, places like the U.S., Europe, and parts of Asia are engorged in illustration of their strong publishing industries. Meanwhile, Africa and the Middle East are tiny slivers, meaning that the number of books published in those places is extremely low compared to the rest of the world.
“The map demonstrates the way that books and the industry behind them reflect access to knowledge,” according to the creators of the report. “The strategic goal going forward is certainly adjusting this map so that in the future, the world of publishing more closely resembles that standard map of geographers and demographers.”
(Found at The Atlantic Wire).