Reading is hard work for the brain, as this book proves.

from the Washington Post:

Anyone who reads is bound to wonder, at least occasionally, about how those funny squiggles on a page magically turn into "Bare ruined choirs, where late the sweet birds sang" or "After a while I went out and left the hospital and walked back to the hotel in the rain." Where did this unlikely skill called reading come from? What happens in our brain when our eyes scan a line of type? Why do some of us, or some of our children, find it difficult to process the visual information held in words? [the article]