Taking 'The True History' into account, its feature was the concept of space exploration and alien life. It was one of the first to imagine traveling to other planets and encountering different species, which is a staple in modern scifi.
If we consider 'The Picture of Dorian Gray', one feature is its use of subtext. Wilde couldn't be too explicit given the Victorian era's moral climate, so he used symbolism and veiled language to convey homoerotic undertones. For instance, the relationship between Dorian and Lord Henry has a certain intensity that goes beyond a simple friendship.
For 'The Tale of Genji', a major feature is its exploration of human emotions. It delves deep into love, jealousy, and longing. Also, its long - form narrative was quite innovative for its time. It was able to sustain a story over a great length, following the protagonist Genji through different stages of his life.
If we consider 'The Perfumed Garden' as one of the early contenders, it has detailed descriptions of sexual encounters. It also gives cultural insights into the views on sex in its time, like the roles of men and women in sexual relationships.
The first Canadian novel, 'The History of Emily Montague', features a detailed description of the Quebec setting. It shows the natural beauty of the area.
One feature could be its unique plot. It might have been different from other novels at that time.
The first crime fiction novel, 'The Murders in the Rue Morgue', had a brilliant detective, C. Auguste Dupin. It had a complex mystery, specifically a locked - room type of mystery which was quite novel at the time.
Well, one feature could be the use of Arabic calligraphy or art styles in the illustrations. Another might be the inclusion of traditional Arabic stories or folklore in its narrative.
One possible feature could be a simple yet engaging art style. Since it was the first, it might not have had the highly detailed and complex art we see in modern graphic novels. Another feature could be a basic plot structure, perhaps a linear story to introduce the concept of a longer - form comic - like narrative.
The first canon Star Wars novel may feature a strong focus on world - building. It could detail the cultures, technologies, and economies of different parts of the galaxy. There might be elements of mystery, like an unknown force or a hidden organization that the characters have to uncover. The character development in the novel could be another feature, showing how the protagonists and antagonists grow and change throughout the story. Also, it may have a distinct narrative voice that makes it stand out from other Star Wars media.
If we consider 'The Moonstone' as the first, it has a central mystery, like the theft of the precious Moonstone. It also has a detective character, Sergeant Cuff, who uses his wits to investigate.