Audiobook Title:
El Hombre Que Rie [The Man Who Laughs]
By: Victor Hugo

The protagonist of this book is a boy kidnapped by child robbers that have deformed his face in such form that he has a permanent smile. After a life of adventures, he manages to recover his birthright, but when he makes a brilliant speech to describe the sufferings of the others, his deformed face makes everybody think that he's telling a joke and all laugh at him.