Teen fiction. The dust jacket is torn in places and there is age spotting on the fore-edge. Hetty Feather #2.
 
"Hetty Feather was just a baby when her mother left her at the Foundling Hospital. Hetty longed to find her real mum -- and finally her wish was granted. But just as they have found each other, they are separated again, as Hetty leaves the home to become a maid of all work to Mr Buchanan.