Armchair Travel hasn't featured a good guidebook collection in some time. Gogo City Guides is the perfect mini-series to end the hiatus. There are currently two editions available, London and Paris, with more cities to come in the near future. 
"Travel guides can no longer afford to be static. The Gogo reader is mobile, on or offline; for work or leisure, his or her schedule is hectic. Gogo filters the best authentic, local information and provides it to people on the move. Our reader is constantly connected and always switched on, and so is Gogo!" 
I'm definitely looking forward to seeing what other cities get added to the series.

For more from this series visit the Armchair Travel archives.
(found via Cool Hunting / images via Gogo Guides)