The Last Mrs. Parrish is a domestic thriller that delivers exactly what its cover promises: wealthy Connecticut settings, beautiful but dangerous women, and enough twists to keep pages turning. The novel's greatest strength lies in its bold structural choice—splitting into two parts that completely reframe the story.

Part one follows Amber Patterson, a seemingly naive woman who befriends the glamorous Daphne Parrish and slowly infiltrates her perfect life. Part two shifts to Daphne's perspective, revealing Amber as a calculating sociopath and Daphne as her intended victim. This perspective flip transforms what initially feels like a familiar 'single white female' story into something more complex and engaging.

Liv Constantine (the pen name for sisters Lynne and Valerie Constantine) excels at crafting an addictive page-turner with sharp observations about wealth, privilege, and female competition. The authors nail the toxic dynamics of performative friendship and the particular cruelty women can inflict on each other.

Daphne's world of charity galas and designer everything feels authentic rather than cartoonish, and Amber's methodical manipulation is genuinely chilling.

However, the book's weaknesses become apparent in its final act. The resolution feels rushed after such careful buildup, and some plot conveniences strain credibility. Jackson Parrish, the wealthy husband both women orbit around, remains frustratingly underdeveloped—more plot device than character. The writing, while serviceable and propulsive, occasionally veers into melodrama, particularly in dialogue. This book will satisfy readers who loved Gone Girl's unreliable narrators and Big Little Lies' exploration of women's hidden lives. It's perfect for book clubs seeking discussion-worthy twists and moral ambiguity. However, literary fiction readers seeking nuanced character development may find it too plot-driven, and those sensitive to themes of domestic abuse and manipulation should approach with caution. The Last Mrs. Parrish succeeds as an entertaining psychological thriller that understands its audience—readers who want their domestic suspense served with genuine surprises and a healthy dose of wish-fulfillment revenge.