Working with myriad designers and illustrators, London-based Herb Lester Associates publishes useful, sometimes unusual maps and guides for the world’s great cities. Above is a collaboration with Oslo-based designer Peder Bernhardt on a fun “Swinging London” hankerchief for the store A Bathing Ape.
An Uncle’s Guide to London points out kid-friendly activities and places, while other London maps focus on coffeeshops, green spaces, and other off-the-beaten-path attractions:
For more, check out Herb Lester Associates for yourself.
Department of Everyday Visualingual 
Nicely designed graphics. I hope the guides are solid; can’t tell from the photos.
I haven’t seen the guides in person, so I can only admire the graphic design, not the content. I love the handkerchief, too.