Read the English Original, Without Detours. Why Reading English Language Books Has an Expanding Following Among Many Non-English Language Audiences?

How big is the English book market in continental Europe? Is it measurable or is it just an urban legend? To what extent do English-language books compete with books in local languages across the EU? Will this change the publishing landscape to the point where certain titles are no longer translated from English at all? And what role does machine translation play in this story?