I haven't read any other books by Robert Harris but have every intention of doing so after reading this book.
There were many aspects of this book which I adored to see because they fit in perfectly with how I envisaged Roman culture to be and I should, hopefully, have a good impression of this being a student of Ancient History.
First - The corruption of various public figures in Pompeii is very accurate and was a huge problem during the Imperial age of Rome.
Second - The death of Pliny, this was lifted straight from the works of Pliny the Younger and so is as accurate a description of the death of Pliny as you will get. The tension and fear were so well described that there were moments when my breath was short because of all the ash.
Third - The instance of a slave being thrown to some eels is also a well known anecdote from the period, some masters were so cruel to their slaves that they would do this. Likewise some were very beneficient and even left large sums of money and freedom to their slaves in their wills.
Fourth - the sense of duty the hero felt to get the aquaduct working again. This idea of working for the public good is one that is not highlighted much when looking at the Romans but it is something that their Empire was pretty much founded on and so was a integral part of their culture. Of course no everyone was like this, probably a minority but it is by no means far fetched.
There was of course a feeling of inevitability to this story but it is a wonderfully written book and as historically accurate as historical fiction gets. I think it gives a very good impression of what life was like at the time, of the dangers and of the perks. I for one would not be dissapointed if Robert Harris explored more of the period.