2026 Reading Challenge

Join the Goodreads Author Program

Are you Mario Hamuy, author of the books below?
El universo en expansión by Mario Hamuy El Sol negro by Mario Hamuy Viaje al Big Bang by Mario Hamuy Supernovas, el explosivo final de una estrella by Mario Hamuy


To join the author program as Mario Hamuy, you will first need to sign in to Goodreads. Then navigate back to this page to apply.


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