From the acclaimed, bestselling author of two beloved classics, Fall On Your Knees and The Way the Crow Flies, Adult Onset is a powerful drama that makes vividly real the pressures of life and love, and the undercurrents that run deep through even the most devoted families.      Mary Rose MacKinnon—nicknamed MR or "Mister"—is a successful author who has opted to put aside her career in her 40s and devote herself to her young family. She lives in a comfortable urban neighbourh