> HERE is a trivia question for you: what is the most profitable business in the world? You might think oil, or maybe banking. You would be wrong. The answer is

> HERE is a trivia question for you: what is the most profitable business in the world? You might think oil, or maybe banking. You would be wrong. The answer is academic publishing. Its profit margins are vast, reportedly in the region of 40 per cent. Interesting. Does anyone know what the volume is like?