"The Princess and the Queen" is your go-to source. It's a spin-off of Martin's renowned "A Song of Ice and Fire" novels, set roughly two centuries before the events of "A Game of Thrones." In this tale, we dive deep into the intense and continent-shaking warfare that erupts as various factions vie for control of the Iron Throne. At the center of this power struggle is Crown Princess Rhaenyra Targaryen, whose claim to the throne ignites a fiery conflict.