Philip Coggan's http://www.amazon.co.uk/Money-Machine-Penguin-Business-Libra... Money Machine is not directly an economics book, but details the movement of money through the global economy (but focused on London, specifically) and is an excellent overview of fiscal policy.
The complete Yes Minister https://www.amazon.co.uk/Yes-Minister-Prime-Complete-Collect...
The undercover economist and it's follow up https://www.amazon.co.uk/Undercover-Economist-Tim-Harford/dp...
I would struggle to encapsulate it all except "people and organizations can be vicious and complex but we all innately want them to be simple, fair and if we can find someone believable we can turn around any hideous situation"