The Duke of Sussex’s tell-all memoir will hit the shelves on January 10, 2023 and, according to Australian entertainment editor Peter Ford, having the release date in the New Year means that Harry is “missing out on that very lucrative Christmas market”.Speaking of the memoir, titled Spare, Mr Ford added: “We don’t know what publicity he’s going to do.”Will he do a big sit-down interview with Oprah, or an equivalent situation.”He added: “Most importantly, we don’t know the content of the book.”Now, of course, that’s what everyone is hanging out for.”READ MORE: Royal Family LIVE: Harry’s bombshell memoir website created days after Jubilee visit Prince Harry is releasing his book in January 2023 (Image: GETTY) Penguin Random House is the publisher for Prince Harry’s memoir (Image: PA)Speaking of the New York Times, he added: “Their insiders, and this is New York Times, have told them that Prince Harry did want to make changes to [the memoir] in recent months.”What is unclear is whether the publisher allowed him to do it.”He concluded by stating “January 10, put it in your diaries”, adding “no doubt we’ll be talking about it.”The printed copy will be released alongside an audiobook, which will be read by Harry.READ MORE: Royal POLL: Who should be promoted to Counsellor of State to deputise for King Charles?Copies will be published in 16 languages.It has also been revealed that the title of the memoir will be ‘Spare’.The title is believed to be a reference to Harry’s position as younger brother to Prince William, who is currenly next-in-line to the throne.DON’T MISSHarry’s publishers promise ‘raw revelations’ as book details announced [REVEAL]Prince Harry accused of being ‘hypocritical brat’ due to memoir title [REACTION]Prince Harry will read audiobook of his memoir [REPORT] Harry is no longer a senior royal (Image: PA)