Amongst the Forest is a series written by Shigura
The series is a 'What if' series, all revolving around a certain 'What if'... What if the cats never left the forest?
What if... Whitestorm never died? What if Tallstar retired without changing deputies? (I know it's a tad far-fetched, but hey, it's a fanfiction. XD)
What if... Scourge won the battle of BloodClan? What if Firestar died in that battle?