Well, 'Night Watch' is a very significant Discworld novel. It takes the reader back in time in the city of Ankh - Morpork and shows how the city's Watch, the police force, came to be what it is in the present - day novels. Also, 'Reaper Man' is important as it deals with Death's sabbatical from his duties and the chaos that ensues. These novels are important as they expand on the lore and the complex web of relationships in the Discworld.
Well, 'A Troll's Tale in Discworld' is quite well - liked. It tells the story from a troll's perspective, which is really interesting as we usually see the world through human or other species' eyes in the original books. Then there's 'The Wizards' Adventure Beyond the Disc', which imagines what would happen if the wizards ventured out into the unknown regions. And 'The Witches of Lancre and the Lost Spell' is a great one that involves the witches in a quest for a powerful, long - lost spell.
I think 'Mort' is also very popular. It has a unique story about Death taking on an apprentice, and the graphic novel version makes it even more accessible and engaging. The art style is really appealing to many fans of the series.
One unique feature is the blend of two very different magical systems. Harry Potter has its own set of spells and magic, and Discworld has a more satirical and often chaotic take on magic. When combined in fanfiction, it creates a really interesting and unexpected magical landscape.
One idea could be a crossover with the Lord of the Rings. Imagine the wizards of Discworld interacting with Gandalf. They could have a battle of magic or exchange knowledge about different magical systems. Another could be a crossover with the Harry Potter universe. How would Rincewind fare in Hogwarts? Maybe he'd be constantly running away from the various magical threats there. A third idea is a crossover with Star Trek. Picture the Discworld characters on the Enterprise, causing chaos with their unique brand of humor and magic in the highly - regulated Starfleet environment.
The last Discworld novel is 'The Shepherd's Crown'. It was published posthumously as Sir Terry Pratchett passed away in 2015. This novel continues the rich tapestry of the Discworld series, with all its unique characters, satirical humor, and imaginative world - building.
Definitely 'Wyrd Sisters'. It's a brilliant take on Shakespearean themes within the Discworld universe. The three witches are such memorable characters. The way Pratchett weaves the story, with all its political intrigue and magic, makes it one of the top Discworld novels. There are also many other great ones, but these are some of the most highly regarded.
I would recommend 'Guards! Guards!'. It's a great starting point as it introduces the city of Ankh - Morpork and the Night Watch in a really engaging way. There's a lot of humor, a good mystery with the dragon plot, and it gives you a feel for Pratchett's unique writing style.
'Equal Rites' can be a good starting point as well. It deals with the idea of female magic in the Discworld, which is a unique concept. The story follows Eskarina Smith, a young girl with magical potential. It has Pratchett's trademark humor and a story that will draw you in. It also gives you an introduction to the magic system in the Discworld, which is quite fascinating.