The necessary angel - C. K. Stead

Max Jackson, a New Zealander living and lecturing in Paris, has a complicated arrangement with his estranged French wife, Louise. In love with his younger Sorbonne colleague Sylvie, he finds himself entangled with Helen, a troubled young English student.When a Cezanne painting goes missing from Louise's apartment, the boundaries he has struggled to maintain threaten to collapse.Infused with literary musings and the spirit of Paris, The Necessary Angel is as much an ode to the power of literature as a nuanced exploration of love, fidelity and the balance of power within relationships.