With 'Twilight ' you have these massive tomes that you have to condense. With 'Penoza ' we had an eight episode Dutch series that just for the pilot alone I condensed three episodes. So there's a lot of filling in and a ton of invention that has to happen to fill out eight episodes.
Most of those who make collections of verse or epigram are like men eating cherries or oysters: they choose out the best at first and end by eating all.