And not by us, for a change.
Get London Reading, a glittery literary website, has put together a Google map of over 400 London-based books - both novels and non-fiction, from Brick Lane to London Orbital.
As a gimmick, it doesn't always work. Where, for example, do you put a general reference piece like Ed Glinert's London Compendium? On the streets of Northolt, apparently. But on the whole, it's a fun way of visualising the bibliocartography of London.
Best of all, they've built in an interface so you can upload your own additions. Get reading, then get mapping.
Thanks to Susi from Shiny Shiny for the tip.