Question: Who was the author of the book, on which Channel 4's 1982 film, for which Howard Blake wrote the soundtrack. is based ? 
Related documents: [0]  [DOC] Howard Blake OBE (born 28 October 1938) is an English composer, conductor, and pianist whose career has spanned more than 50 years and produced more than 650 works. Blake's most successful work is his soundtrack for Channel 4’s 1982 film "The Snowman" including the song "Walking in the Air". He is increasingly recognised for his classical works including concertos, oratorios, ballets, operas and many instrumental pieces. [END] 
[1]  [DOC] The Snowman is a children's picture book without words by English author Raymond Briggs, first published in 1978 by Hamish Hamilton in the United Kingdom, and published by Random House in the United States in November of the same year. In the UK, it was the runner up for the Kate Greenaway Medal from the Library Association, recognising the year's best children's book illustration by a British writer. [END] 
Answer: 
Raymond Briggs,
Raymond Briggs,