Together with Sounds That Swing in Camden Town Secret Tunnels of England: Folklore and Fact is also available from the following London shops:
Atlantis, 49a Museum Street, WC1
Hatchard's, 187 Piccadilly, W1
London Review Bookshop, 14 Bury Place, WC1A
Treadwell's, 33 Store Street, WC1
Watkins Books, 19-21 Cecil Court, WC2
Five Leaves Bookshop, 14a Long Row
More to be added...