The Deep End by Joy Fielding

Joanne Hunter's secure suburban world is falling apart. Her husband's desertion after twenty years of marriage leaves her stunned. Eve, her best friend, is strangely distant. Her grandfather, who has been a pillar of strength and support, lies ill and helpless in a nursing home. Lana and Robin, her teenage daughters, claim every ounce of her energy and devotion and all the love she feels she has lost.

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