if you want tragedy. Start with Yazhiniyin Yaavarum if you want beauty. Or start with Muthu Mariyadhai - Interstellar if you want to laugh.
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For the Tamil reader tired of the same love triangles and family sagas, the Grahadurai universe is a breath of fresh, ionized air. It is chaotic, it is occasionally poorly edited, and its science is sometimes pure magic. But it is undeniably, gloriously, Tamil. Padma Grahadurai Novels