 Cousteau described his underwater world research in a series of books, perhaps the most successful being his first book, "", published in 1953.Cousteau also directed films, most notably the documentary adaptation of the book, "The Silent World", which won a Palme d'or at the 1956 Cannes Film Festival.He remained the only person to win a Palme d'Or for a documentary film, until Michael Moore won the award in 2004 for "Fahrenheit 9/11".