Nottingham

Doctor names Nottingham as Gulliver's origin during tunnels encounter, confirming the figure quotes Gulliver's Travels verbatim. This clue reveals the Master's realm populates with book characters, shifting Doctor and Zoe from search to confrontation. Nottingham grounds the surreal in literary history, its mention sparks realization: fiction lives here. Zoe doubts; Doctor adapts, wrapping Jamie's jacket around her for protection amid rising threat.