PC Peter Grant was created in this bookstore by Ben Aaronovitch
A plaque was displayed in the main window alongside a book display. I see no evidence of it still existing in Google Streetview 2015. See Happy Publication Day to Broken Homes!
This is an approximate position
Plaque is now missing
Waterstones, Garrick Street , London
[geolocate this address]
Google Streetview
OpenStreetMap
in 2013
Colour: blue
Wikimedia:
Flickr: