The Sunshine of Your Smile by Joan Jonker
Molly Bennett and Nellie McDonough have been best mates for over twenty years, with never a cross word between them. When times were bad and money scarce, they kept their families together with love and laughter. And they were always there to help anyone in trouble. So when they hear about a mother who hasn't seen her son for years, the two friends know they have a job to do...