Originally Posted by HarryT
If you really want an overview, try "The New Penguin History of the World". It's available as an ebook (albeit an expensive one).
An excellent work, and hard to better - but, as Harry says, not exactly an impulse buy....
The Churchill gives a good, "standard" viewpoint, and, well, "1066.." will certainly make you look a few things up !
And it is a Great Read.