The UK's Prince Harry has written a book his life. It is also about his thoughts the death of his mother (Princess Diana), his relationship the press, and being a royal. The book is called "Spare". The word "spare" means someone or something that only exists case another person or thing is lost, broken, or worn . The title "Spare" refers to the fact that Harry would only become the UK's king if his father and brother died. The book is a bestseller worldwide. It has been published 16 languages. People waited line for hours to buy it. In the UK, "Spare" went sale at midnight on Sunday. One of the UK's leading bookstores, Waterstones, said "Spare" has been one its "biggest pre-order titles a decade".
The book is a controversial one. A member Britain's Royal Family has never spoken so openly before. Harry said the book tells the story why he moved his young family to the USA, and why he gave his official royal duties. He said the UK press has continually written bad things about his wife Meghan, and reports his life with Meghan a negative way. "Spare" is one way Harry to let his family know his true feelings. The 410-page memoir contains many personal stories. He writes about how he fell with the Royal Family. He claims his brother Prince William attacked him because he wanted to marry Meghan. He also wrote about the number Taliban fighters he killed in Afghanistan when he was a soldier.