Sins of the Father books in order

Sins of the Father is a three-book MM dark romance series by Riley Hart with themes of revenge and obsession.

Reading order

# Title Published Author Buy on Amazon
1 Bittersweet Revenge 2025 Riley Hart Buy
2 Sweet Vengeance 2025 Riley Hart Buy
3 Sweet Obsession 2026 Riley Hart Buy

The Sins of the Father series by Riley Hart is listed below in reading order.

This series marks a turn toward darker material for Hart. Bittersweet Revenge (2025) opens with a revenge-driven plot where the lines between love and manipulation are blurry. Sweet Vengeance (2025) and Sweet Obsession (2026) continue the theme, with characters whose fathers’ actions have shaped their lives in ways they cannot escape. The “sweet” in the later titles cuts against the bitterness of the premise.

Frequently Asked Questions

How many books are in the Sins of the Father series?

There are three books in the Sins of the Father series, published between 2025 and 2026.

What is the first book in the Sins of the Father series?

The first book in the Sins of the Father series is Bittersweet Revenge, published in 2025.

Is Sins of the Father darker than other Riley Hart series?

Yes. The Sins of the Father books lean into dark romance territory with revenge plots and morally gray characters. Bittersweet Revenge (2025), Sweet Vengeance (2025), and Sweet Obsession (2026) have a harder edge than most of Hart’s small-town or college romances.

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