If you are planning a trip to London, I recommend Secret London: an Unusual Guide, by Rachel Howard and Bill Nash. It is one in the series Local Guides by Local People and is full of quirky, lesser known destinations. J.E. Webb had the idea that street lights could be lit using methane gas from the sewer. One still exists (although uses a different source of energy). There are galleries in unused subway stations and roof top gardens. There's the foundry that cast the Liberty Bell, and a pub that needs no alcohol license thanks to royal decree. Issued by James (the First) in 1611.

For more on London, including places that no longer exist, places that were planned but never built, murderers, highwaymen, and eccentrics (and what they did) and so much more, read Bizarre London: Discover the Capital’s Secrets and Surprises, by David Long.

There are statues of animals all over London, some real, some imagined. Animal London: a Spotter's Guide by Ianthe Ruthven is a picture guide of many of them. Maps are included as well so you can plan your own walking tour.

Reading Hermit With Dog