My favorite book is Papelucho en la clinica. This book was written by Marcela Paz.
The story is about Papelucho that on this occasion is in the clinic accompanied by her mother and her newborn sister , pacing the room reaches Casimiro , a child who would operate but eloperado is Papelucho appendix and stay in the clinic known Mr. Rubilar a millionaire and forgetful old man who thinks he is her guardian angel . They become best friends, run away together inclusoplanean hospital Papelucho now has a newborn sister and a grandfather "prophet" newcomer.