Warner Books, 2002. MILLS McCARTNEY, Heather. [With Pamela Cockerill]. A SINGLE STEP: A MEMOIR. [NY]: Warner Books, [2002]. Small quarto, cloth & boards in dust jacket. First Edition, first printing. The extraordinary story of model, activist, amputee, and former wife of Beatle Paul McCartney. Signed by Mills McCartney on the..... More