Barbara Cartland 
Dance on My Heart [EPUB ebook] 

In Britain’s Great Depression jobs are almost impossible to find. And the best innocent, bewildered and beautiful young Fiona can find is as a 'dance hostess’ in a nightclub frequented by High Society – as well as London’s seedy lowlife.
Between fighting off drunken thugs, old men and lecherous Lords, she learns the harsh realities of life in this shady nocturnal world and loses her heart – hopelessly – to a man who’s promised to another. And, her adventure takes her from London to Monte Carlo and back, she discovers how dangerously close to the gutter is all this 'glamour’.