Ann Hedreen's story of what it was like to become a mom just as her own beautiful, brainy mother began to lose her mind to an unforgiving disease. Arlene was a copper miner’s daughter who was divorced twice, widowed once, raised six kids singlehandedly, survived the turbulent ‘60s, and got her B.A. and M.A. at 40 so she could support her family as a Seattle schoolteacher―only to start showing signs of Alzheimer’s disease in her late fifties, taking Ann and her siblings on a long descent th...