The document discusses TV listings guides from three newspapers - Sunday Express, The Observer, and Daily Mail. It notes several common codes and conventions across the guides, such as using different colors for each channel, a column format, and bold text for program and scheduling details. It also mentions some publications include featured articles or "Pick of the Day" sections. The conclusion states that researching these guides will help in producing the author's own ancillary text, which can follow some standard codes but also be personalized.