The Travel Agent did indeed have a big blue sign. It read 'BLUE HORIZONS'.

The window was brightly-lit and filled with pictures of people skiing down snowy slopes, relaxing on white beaches under palm trees, standing on the decks of cruise ships looking out to sea. Alison felt a sudden desire to get away from it all, leave the thin mists and drizzle of England and go to the sun. All the people in the posters looked so happy.

Mentally she shook herself and pushed open the door. ...