In the early months of 1971, amid a turbulent time for all four former Beatles , John Lennon sat down to write a letter to Paul and Linda McCartney. The correspondence, scrawled on two sheets of paper bearing the letterhead of Bag Productions – the company Lennon had formed with Yoko Ono – captures a raw and painful moment in the aftermath of the Beatles’ disintegration. Far from offering a note of reconciliation, Lennon’s words reflected anger, hurt, and a profound sense of