Joe Biden says his cancer will limit how much he can promote his memoir, Promise Me, America, which comes out on 17 November.

"Some days are better than others. It hasn't stopped me. But sometimes it slows me down," the 83-year-old wrote on 8 November.

He said he won't be able to do as many conversations about the book as he'd hoped, and hopes "the words on the page speak for themselves."

Biden was diagnosed in May 2025 with an aggressive prostate cancer that had spread to his bones, months after leaving the White House.

His office said the cancer was hormone-sensitive. Biden said he finished a course of treatment in October 2025 and his doctors remain encouraged.

The memoir covers his four years as president, including the pandemic, the 6 January attack and his decision to step aside in 2024.

He was diagnosed while writing it. His office has not said which appearances he will still make or whether any were cancelled.

Biden turns 84 on 20 November, three days after the book is published.

Read the full story on Biden's book tour on Trends News Stories.

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