From Amazon.co.uk:
The Great Gatsby meets The Secret History in this torrid novel of love, lust and deception.

Harry and Madeleine Winslow are blessed with talent, money, and charm. Harry is an award-winning author on the cusp of greatness. Madeleine is a woman of sublime beauty and grace whose elemental goodness belies a privileged upbringing. Bonded by deep devotion, their marriage is both envied and admired by friends who spend summers at their East Hampton idyll.

When a holiday fling turns disastrously wrong, 26-year-old Claire falls into the Winslows’ welcoming orbit. They are enchanted by her youth and intelligence. In turn, Claire is entranced by Harry and Maddy. The love that exists between them is something of which, until now, she could only dream.

Seen through the omniscient eyes of Maddy's childhood friend Walter, a narrator akin to Nick Carraway in The Great Gatsby, Indiscretion is a story about the complexities of love, the dangerous nature of desire and how obsession can tear apart even the most perfect of worlds.

Left at the Street Library.

Release #21 for the 2019 D for December Challenge.