Jimmy began creating illustrated books in 1998, expanding the readership of picture books beyond children to general audiences. Since he began to devote himself to picture books, he has published more than 50 works in all. His books have been translated into numerous languages, including English, French, Dutch, Spanish, Portuguese, Italian, Japanese, Greek, German, Korean, Thai, Russian, Polish, Estonian, and Swedish. He has also created original works for British, American, and Japanese publishers. Many of Jimmy's works have been turned into musicals, television dramas, and films. A Fish that Smiled at Me won the prize for best short film at the 56th Berlin International Film Festival. Jimmy's works have won several Golden Tripods Awards in Taiwan, the Belgian literary prize Le Prix Versele, the First Prize for artistic illustration from Spain's Ministry of Education, Culture and Sport, and Peter Pan's Silver Stars Prize from Sweden. He has also been nominated for the Swedish Astrid Lindgren Memorial Award, which is the world's most prestigious prize for literature aimed at children and youths.