This paperback of one Oman "Peninsula War" volume has some defects of typography and map reproduction. If you can, find original hardback copies, with their superb coloured maps and creamy thick paper. Though he has some "Whiggish" bias, like the earlier PW historian Napier, Oman wrote with superb grasp, imagination and detail. The reader has to be patient, has to be ready to see early 19C Portugal and Spain in his mind's eye (though Oman helps him), and has to have an initial interest. Then the text conjures it all up and is fascinating.
5 Stars PLUS for the original, 4 for this only because, as a modern paperback, it doesn't quite have the same feel. I have the original Napier set, but to get the Oman equivalent would be wonderful.