In my view, 'Planet of Twilight' is among the worst. The plot was rather forgettable and the story seemed to lack a clear direction. It didn't add much to the overall Star Wars lore and was more of a side - story that didn't really contribute anything significant to the expanded universe.
I think 'The New Jedi Order: Vector Prime' was not great. It was the start of the Yuuzhan Vong invasion arc, and while it had potential, it just didn't quite hit the mark. The new villains were hard to understand and not as engaging as the classic Sith or Imperial foes.
One of the worst could be 'The Crystal Star'. It had a convoluted plot that didn't seem to fit well with the overall Star Wars feel. The characters' actions and development were rather strange, and it was hard to get into the story.
Well, for me, the 'X - Wing' series is really good. It focuses on the pilots and their adventures in the Star Wars universe. The dogfights and the camaraderie among the pilots are really well - portrayed.
Definitely 'Heir to the Empire'. It was a huge deal as it continued the story after 'Return of the Jedi' and reintroduced many beloved characters in new and exciting situations.
One of the top stories is 'Thrawn Trilogy'. It introduced the brilliant Grand Admiral Thrawn, a very interesting villain. His strategic mind and unique leadership made the story engaging.
Definitely 'Thrawn: Alliances'. It gives more depth to the character of Thrawn. It also has some great interactions between Thrawn and Darth Vader, which is really cool to read as it shows two very different but powerful characters from the Star Wars universe coming together.
In the Star Wars universe, there are no official 'bondage stories' in the sense of inappropriate content. However, there are stories of characters being captured and restrained. For example, Han Solo was frozen in carbonite, which could be seen as a form of restraint. This was a significant plot point as it led to his rescue by Leia and Luke later on.
The Thrawn Trilogy is also great. Grand Admiral Thrawn was a brilliant and unique villain. He used his knowledge of art and different cultures to outwit his enemies. The books in this trilogy showed his strategic genius and the challenges the New Republic faced against him.
They have expanded on the lore. The detailed backstories of the Jedi and Sith orders in the Expanded Universe have given a more comprehensive understanding of the Force. This in turn has influenced how new Star Wars media, such as the new TV shows, approach the concepts related to the Force and the overall mythology of the franchise.
Canon Star Wars Fiction has greatly expanded the Star Wars universe in multiple ways. It has given more backstory to the Force, explaining different aspects of it that were not fully explored in the movies. It has also introduced new political and social structures within the galaxy. For example, the way different planets and species interact and form alliances or rivalries. This has made the Star Wars universe feel more alive and complex, with a much broader range of stories to tell.
One of the highly regarded expanded universe Star Wars novels is 'Heir to the Empire' by Timothy Zahn. It introduced great new characters like Grand Admiral Thrawn and really expanded the post - 'Return of the Jedi' universe in an exciting way.