The London of Slow Horses is more than just a backdrop; at once grim and flash, oppressively surveilled and unknowably huge. The city is an integral part of Herron's stories. Lamb's London charts the real places used in both the books and TV show
These include the rundown parade of shops in Barbican in which Slough House squats, the bench by the Thames where Lamb and Diana Taverner hold secret meetings, Lamb's favourite Chinese restaurant, the Marylebone cafe the opposition uses for dead drops, the hidden hideaways and the pubs to which Cartwright, Standish, Ho and company retreat to drown their sorrows.