Joe Biden, 83, announced the forthcoming publication of his memoir 'Promise Me, America' on July 15 via an X video while reporting that his radiation therapy for aggressive prostate cancer is proceeding well. The book will address his decisions on January 6, the Ukraine war, the Afghanistan withdrawal, his 2024 reelection bid, and his subsequent withdrawal after the June 2024 debate. All details are drawn from CNA and Straits Times reporting.