Out of consideration for his family, Prince Harry said he did not write some of the revelations in his widely acclaimed autobiography "Spare".
There are things between him and his brother Prince William and his father King Charles III.
happened that he didn't want to share with the world because "I don't think they would ever forgive me," Harry said in an interview with the Daily Telegraph published on Friday.
He has enough material to write another book, Harry said.
The first draft was 800 pages long, twice as long as the 400 pages that have now been published.
Prince Harry also claimed the media has "a ton of dirt" to report about his family but "sweeps it under the rug to write savory stories about others."
Harry's autobiography has had a brilliant start in many countries.
"Spare" (German title: "Reserve") sold millions of copies in the first few days after publication, according to the publisher.
In his autobiography, the younger son of the British King Charles III.
the time after the death of his mother Diana, settles accounts with the British gossip press and accuses the royals of not having supported his African-American wife Meghan enough.
The 38-year-old is particularly harsh with his two-year-old brother William, and he also reveals a number of intimate and extremely private details.
Harry told the Telegraph he didn't want to ruin the royal family by publishing it.
But he has a "responsibility" towards his brother's children.
"I know that of those three children, at least one will end up like me, the surrogate," he said.
However, William "made it very clear to him that his children are not my responsibility".
In the UK, Prince Harry's popularity suffered with the release of the autobiography.
In a survey by the British opinion research institute YouGov on Monday, 64 percent had a negative opinion of the 38-year-old.
He and Meghan are now even more unpopular than Prince Andrew, the king's brother who fell out of favor for his involvement in a sex scandal.