I'm not sure which specific 'long awaited posthumous novel' you're referring to. There are many such novels in the literary world. For example, 'The Pale King' by David Foster Wallace was posthumously published. It gives readers a deeper look into the world of tax collecting and the human psyche in that context.
A long awaited posthumous novel can be a very special thing. It may have been in the works for a long time before the author's death. Editors and publishers might have had to do a lot of work to piece it together. It could also be a bit of a mystery as to what the author really intended, but it still gives readers a chance to delve into new work from a beloved or respected author.
Well, a long awaited posthumous novel often holds a certain allure. Since the author has passed away, it can be seen as their final gift to the literary world. It might contain ideas or stories that they didn't have the chance to fully explore during their lifetime. Sometimes, it can also be a way for the author's family or estate to preserve their legacy.