Approachable and easy to read. Can be read by someone with very little technical knowledge. Must be commended for writing a book for the general population rather than the experts.
Mobbs starts at the beginning and explains most of the Peak Oil situation in layman terms. He explains why there will be a Peak Oil, the difficulties in trusting the facts and in pinning down the date, what it means, and what might come after it. There's a whole section exploring alternatives to oil, and an interesting one on climate change and the oceanic currents.
Mobbs assesses the situation from a UK point of view, whereas most similar books are from the USA point of view. Instead of putting forward nuclear or renewables or something he's getting paid to push, he advocates using less energy to start with.
This book doesn't get 5 stars because, after warning the reader about the unreliability of statistics, Mobbs makes a few wild assumptions of his own. His middle-class-ness shows through, and he makes assumptions about social trends and people's everyday choices, based on nothing more than his own privileged lifestyle. In an example of loose numerical analysis, Mobbs rounds numbers to the nearest million, assumes a seemingly random, unchanging capacity for the building industry (based on nothing, with no stated assumptions, making his thinking untraceable), and expects to be able to predict dates to the nearest month using his "model". In just a few instances like this, his use of precision is not only misleading, but is inappropriate in a book meant for the non-technical. Those without a maths or statistical background may take these values at face-value.
Generally a good book, and one of the few that writes for the masses. Mobbs almost lives up to his own expectations.