Well, his last novel might be special in terms of its narrative style. Maybe it has a more refined or different way of storytelling compared to his previous works. It could also be special because it might have been influenced by the later experiences in his life, which could have given it a different flavor. Also, it might have left a particular mark in the literary world as the final piece of work from such a renowned author.
His last novel could be special for several reasons. One is that it may contain his final thoughts on the topics he often wrote about, such as loyalty, betrayal, and the pursuit of power. It might also have a different tone, perhaps more reflective as it was his last creative output. The characters in it could be more developed in a way that shows his growth as a writer over the years. And it may have a unique place in his body of work as the concluding chapter of his literary journey.
Mario Puzo's last novel might be special because it could represent the culmination of his writing career. It might have unique themes that he had been exploring throughout his life as a writer. For example, it could have his signature elements like complex family dynamics, power struggles, and the exploration of the human psyche in the context of organized crime or other settings that he was known for.