The Ten Year Affair

The Ten Year Affair by Erin Somers is out now (published October 21, 2025).
The Ten Year Affair

Author: Erin Somers

Published

Published: October 21, 2025

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The Ten Year Affair Release Date: October 21, 2025
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“The best book about adultery since Madame Bovary.” —Tony Tulathimutte, author of Rejection

A hilariously acerbic sliding doors novel about a chance meeting between two young parents, both happily married (just not to each other) that sparks a will-they-won’t-they romance—perfect for fans of Big Swiss and Acts of Service.

When Cora meets Sam at a baby group in their small town, the chemistry between them is undeniable. Both are happily married young parents with two kids, and neither sees themselves as the type to engage in an affair. Yet their connection grows stronger, and as their lives continue to intertwine, the romantic tension between them becomes all-consuming—until their worlds unravel into two parallel timelines. In one, they pursue their feelings. In the other, they resist.

As reality splits, the everyday details of Cora’s life—her depressing marketing job, her daughter’s new fascination with the afterlife, her husband’s obsession with podcasts about the history of rope—gain fresh perspective. The intersecting and diverging timelines blur the boundaries of reality and fantasy, questioning what might have been and what truly matters.

The Ten Year Affair is a witty, emotionally-charged exploration of marriage, family life, and the roads not taken, that ultimately do we really want our fantasies to come true?

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Genre: Literary Fiction

Erin Somers

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