Sir Elton John
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Sir Elton John on his first book, gay marriage, and children

Sir Elton John has written his first book, looking at the impact of Aids.

The global superstar, who has sold a quarter of a billion records, hopes the book will contribute to the fight against the disease.

He spoke to the BBC's Arts Correspondent Rebecca Jones about the book, as well as his history with drugs, view on gay marriage, and becoming a father.

Go to next video: Elton: 'We'd love another child'