This product is a Spanish-language paperback book titled "Que Hacen Los Malditos Flacos Para Estar Flacos" by Rafael Bolio B. It was published in 2004 by Grupo Bolio Editores and Sistema Bolio. The book is 8.25 inches long and 5.3 inches wide, with 160 pages. It has an ISBN-10 of 9709178415 and is focused on the topic of dieting.