Fan Casting Warrior Cats: The FernClan Saga Book One: The Birth of FernClan

Amberstar is leading BrushClan into unnecessary battles and even killing his own warriors! Finchfeather takes notice of this. He and his apprentice, Palepaw start a rebellion for the better of their clan. Later, they fight back against Amberstar, but get exiled to the other side of the river. There, they pick a spot for thgeir camp, and dub themselves FernClan, to ensure themselves as a different group from Amberstar and BrushClan.