Bertha Ruck: 2 books

When an unexpected inheritance makes humble housemaid Nellie Million wealthy beyond her wildest dreams, the tables are turned. Beatrice Lovelace, Nellie's one-time mistress -- now virtually penniless -- becomes Nellie's lady's maid, helping to guide her through the pitfalls of associating with the upper classes.

Entertaining story of a little London maid who suddenly falls heir to great wealth. She engages her impoverished young mistress as her maid, who advises her well both as to matters of dress and her heart. The maid, incidentally, has many adventures and a romance of her own.