"The Biggest Regret at the End is 'What I Didn't Do': The Reason I Could Say I Was Happy Until the End, at 47, After Being Diagnosed with Cancer at 46" Simon Boas / Osamu Kojima Price: ¥1760 I've only read it once, and I used a book cover, so it's relatively clean. #SimonBoas #OsamuKojima #Osamu_Kojima #Book #Society/General