SocialGuide, which received first-round funding earlier this year, tracks social conversation to act as living, breathing TV Guide.

FORBES: Social TV: What Casey Anthony And Jersey Shore Teach About A New Metric

PPPs can be a handy guide to the cost of living in countries, they may not be a reliable guide to future exchange-rate movements.

ECONOMIST: Big MacCurrencies

Mr FitzPatrick said his Responsible Parking (Scotland) Bill had the support of a number of groups, including Guide Dogs Scotland and Living Streets.

BBC: Wheelchair user

But this is also a remarkably sharp-eared guide to the vocabulary of living English.

ECONOMIST: English language

My business partner and I were just out of college, living in New York City and felt like there was no city guide out there that was meant specifically for guys like us.

FORBES: Ben Lerer on Starting Thrillist, Working With His Dad and Advice For Entrepreneurs

His co-author, Jean-Francois Mesplede, was longtime director of the vaunted Michelin Guide to France, and the introduction is by one of the most revered living chefs, 3-star Paul Bocuse.

FORBES: Putting On The Ritz: The Year's Most Decadent Cookbook