Tim Harford writes the “Dear Economist” column for the Financial Times. His book “The Undercover Economist” is currently available in the US and will be out in the UK soon. It’s recommended by the Freakanomics guys …
But, hold off on the book until you’ve first read everything on his website. I’ve just spent the last 20 minutes lost in his work. It’s fascinating, amusing and remarkably easy reading.
His FT articles are published on a weblog, as is his other writing.