Charles Spencer Will Release Diana Memoir in September
The 9th Earl Spencer's memoir, Swan Song: Diana, My Sister, is scheduled for release on September 22, 2026.
Updated on Sept. 21, 2026 in Books
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Charles Spencer, the 9th Earl Spencer, is set to release his new memoir, Swan Song: Diana, My Sister, on September 22, 2026. The author describes the work as his final public account of his sister's life and death.
Why it matters
The memoir serves as a personal tribute to the late Diana, Princess of Wales, from her brother who famously delivered her funeral eulogy in 1997. It marks a significant new biographical entry regarding the late Princess.
Penguin Random House, the publisher of this upcoming memoir, reported a 13.2% increase in revenue in 2023. This follows the massive commercial success of Prince Harry's Spare, which reached 6 million total copies sold.
The players
Charles Spencer
He is the 9th Earl Spencer and the brother of the late Diana, Princess of Wales.
Penguin Random House
This is a major international publishing house responsible for the release of high-profile royal memoirs.
The details
The book serves as a tribute to the author's late sister, Diana, Princess of Wales, and is positioned as his definitive final public account of her life. However, the production process faced a setback when advance copies were stolen from a truck in the Netherlands.
Timeline
Charles Spencer delivered his sister's funeral eulogy in September 1997.
Penguin Random House released Prince Harry's memoir, Spare, in 2023.
The memoir Swan Song: Diana, My Sister will be released on September 22, 2026.
Industry Dynamics
This release follows the massive commercial precedent set by the 2023 release of Prince Harry's Spare. It highlights the continued high market demand for personal accounts from members of the British royal family.
Readers can expect the memoir to be available through major retailers starting September 22, 2026. The high profile of the subject suggests wide availability across global bookstores and digital platforms.
The takeaway
The memoir offers a personal perspective on a globally significant historical figure from a direct family member. Readers interested in the history of the British royal family may find this final public account particularly insightful.
Further reading
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