Original sentence: he wrote a long series of novels about Sac Prairie (whose prototype is Sauk City
Edited sentence: Derleth intended this series to comprise up to fifty novels, telling the projected life-story of the region from the 1800s onwards, and considered it the most ambitious project undertaken in the history of literature, with its only close contenders being Balzac's Human Comedy and Proust's Remembrance of Things Past.He wrote a long series of novels about Sac Prairie (whose prototype is Sauk City