Roberto y Gelatina son hermanos. Roberto es escritor y no tiene tiempo para entretener a Gelatina, su pequeña hermana que no lo deja trabajar. La  dinámica cotidiana y lúdica entre hermanos se retrata en este libro álbum que conmueve al lector de principio a fin.
 
 
Roberto and Gelatina are brothers. Roberto is a writer and he doesn't have time to entertain Gelatina, his little sister who doesn't let him work. The daily and playful dynamic between brothers is portrayed in this picture book that moves the reader from beginning to end.