The brilliance of the Potter books is more in the way that they start off as being extremely accessible to children, but by the time the series finishes, they a

The brilliance of the Potter books is more in the way that they start off as being extremely accessible to children, but by the time the series finishes, they are truly adult-level books. It's a good way of getting children through that speed hump - most young children read, but many stop during adolescense. Harry and Co help with this problem.