W. Somerset Maugham 
The Painted Veil [EPUB ebook] 

The Painted Veil is beautiful story of Kitty Fane who is the main character and through her one can witness a myriad of emotions and sentiments. She, being an extrovert personality likes to mingle with people but circumstances in her life are such that she is forced to marry Walter Fane who is totally her opposite. Her husband is a bacteriologist who works in Hong Kong and she indulges in an affair with Charles Townsend. However, with the twist of events she is forced to pass through various phases that make her evolve as a person and find her own dimensions of personality.