He was a personal friend and authorised biography of Nelson Mandela.

In the authorised biography she describes the Australian lawyer as 'tall and distinguished looking'.

In 2003 his authorised biography of the actor Alec Guinness was published.

After his death in 1892, Lady Tennyson devoted herself to helping her son write the authorised biography.

His career started to recover in 1990 when he wrote Bare, an authorised biography of pop-star George Michael.

This is an authorised biography, commissioned by Jobs shortly after he was diagnosed with cancer in 2003.

He is the author of many books, including the only authorised biography of the Beatles.

He agreed to it and the resulting authorised biography, The Beatles, was published in 1968.

In 1988 the authorised biography by Haines of Robert Maxwell was published.

Best had at least six autobiographies and authorised biographies: