Definitely fiction. Downton Abbey creates a fictional world with made-up characters and events, although it may draw inspiration from historical periods and social contexts.
Family dynamics is a common theme. With Mary being pregnant, it affects the whole family. There are new relationships to navigate and old ones to redefine. For instance, how her father, the Earl, might see his role changing as he's about to become a grandfather.
Yes, there is. The 'Downton Abbey' novel offers a deeper exploration of the characters and the world of the famous TV series. It delves into the lives of the Crawley family and their servants in more detail, allowing fans to further immerse themselves in the story.
Fiction. While it draws on historical context, a lot of the specific storylines and characters are fictional. The relationships between the Crawley family members and the servants are often dramatized for entertainment. The individual dramas, like the love affairs and family feuds, are mostly made up to create an engaging plot. For instance, not every aristocratic family had the same kind of family secrets and romances as the Crawleys in the show.