The document discusses TV listings guides from three newspapers - the Sunday Express, The Observer, and the Daily Mail. It notes several common codes and conventions across the guides, including using different colors for each channel, a column format, and bolding program and scheduling details. It also discusses some unique elements like featured articles with large images and ratings. The conclusion expresses that researching these guides will help in producing an ancillary text by conforming to standard codes while also personalizing the product for its audience.