Tim Harford's http://www.amazon.co.uk/Undercover-Economist-Tim-Harford/dp/..."Undercover Economist and http://www.amazon.co.uk/Logic-Life-Uncovering-Economics-Ever... Logic of Life are both excellent at drawing out serious economic principles from everyday experiences.

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.