books.google.com.uy - Micaela and her parents move from Montevideo to a small town where a great mystery surrounds a gray house. Micaela's adventures change the life of all the inhabitants of the town....https://books.google.com.uy/books/about/El_secreto_de_la_casa_gris.html?hl=es&id=o2Kkv-y-55sC&utm_source=gb-gplus-shareEl secreto de la casa gris