has it been adapted in any other form?
Yes, the book has been adapted for radio, film, television
The Lord of the Rings
The book has been adapted for radio four times. 
when was the lord of the rings written and published Written between 1937 and 1949, and published on 29 July 1954, on 11 November 1954 and on 20 October 1955 respectively in the United Kingdom who is the author? J. R. R. Tolkien can you name some of the characters in it? Frodo, Sam, Merry
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The Lord of the Rings [SEP] Radio
The book has been adapted for radio four times. In 1955 and 1956, the BBC broadcast "The Lord of the Rings", a 13-part radio adaptation of the story. In the 1960s radio station WBAI produced a short radio adaptation. A 1979 dramatization of "The Lord of the Rings" was broadcast in the United States and subsequently issued on tape and CD. In 1981, the BBC broadcast "The Lord of the Rings", a new dramatization in 26 half-hour instalments.