Overview
- Charles Spencer announced the book on Tuesday, August 18, 2026, saying he has written a personal account of Diana’s life to set the record straight.
- The title El canto del cisne. Diana, mi hermana will be published internationally on September 22 and will reach Spain and Latin America on September 23 through Penguin Random House and Plaza & Janés.
- Publishers say the release will be simultaneous in multiple English-language markets and that translation rights have been sold for a dozen more languages, with editions planned across Europe, the Americas and several Commonwealth countries.
- Spencer frames the memoir as a corrective personal record, describing Diana as lively and complex, and the book’s editor calls it an intimate contribution to the historical record of a major 20th-century public figure.
- The timing, just before the 30th anniversary of Diana’s 1997 death, is likely to renew media attention and sales for royal memoirs and to shape public discussion by offering a family member’s perspective.