If you were captivated by the deft political games and the far-reaching consequences of courtly decisions in River of Stars, you'll find Under Heaven equally enthralling. Shen Tai, caught amid shifting allegiances and the ambitions of powerful figures, must navigate a world where a single gift can upend the balance of an empire. The tension and intrigue are just as finely wrought, keeping you guessing at every turn.

If you loved the grand scale and historical sweep of River of Stars, The Grace of Kings is a perfect match. Set in the archipelago of Dara, the story follows multiple rulers and rebels as their destinies intertwine through war, revolution, and the rise and fall of kingdoms. Ken Liu's tapestry of cultures and conflicts will immerse you in a world as rich and expansive as Kay's.

If you were enchanted by the detailed historical setting and vivid worldbuilding in River of Stars, you'll delight in the magical, alternate-England of Jonathan Strange & Mr Norrell. Clarke’s meticulous attention to the customs, politics, and landscapes of her world brings every scene to life, and her reimagining of history with magic is every bit as immersive as Kay’s lyrical reworking of ancient China.

If you were drawn to the nuanced, sometimes conflicted protagonists in River of Stars, The Lions of Al-Rassan offers equally layered characters. Jehane, Rodrigo, and Ammar are each torn between personal loyalties and their people's causes, making choices that are never simple or purely heroic. Their moral ambiguity adds depth and tension to a story of love, war, and loss.

If you appreciated the profound journeys of self-discovery and change in River of Stars, you'll be moved by Maia's transformation in The Goblin Emperor. Thrust into a hostile court, isolated and inexperienced, Maia must grow into his role as emperor, learning to lead with wisdom and compassion despite overwhelming odds. His evolution is heartfelt and rewarding, echoing the emotional arcs found in Kay's work.