R. M. Ballantyne 
Dusty Diamonds Cut and Polished 

Kindly Mr Twitter comes across an abandoned baby one night on his way home from work. The child has been left there for him to find by a desperate, poverty-stricken woman named Mrs Frog, who hopes for a better life for her child. He takes the infant home, where he and his wife Mariar name her Mita and care for her as if she were one of their own children. The lives and problems of the rich and poor continue to intersect throughout this fascinating story by prolific children’s author R.M. Ballantyne. –