All the Duke's Sins Prequel Books in Order

Part ofChristi Caldwell Books in Order

This page covers the All the Duke's Sins prequel by Christi Caldwell, with a short summary, series setup, and notes on where the main saga begins.

Last updated: June 11, 2026

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2 books

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It Had to Be the Duke

by Christi Caldwell

2021

This prequel reaches back to the older generation and the choices that shape the whole All the Duke's Sins saga. Love, duty, and destructive privilege collide long before the children of that story take center stage.

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One for My Baron

by Christi Caldwell

2022

Widowed Althea once loved Neill Weldington, and time has done nothing to settle that old feeling. Reunited with the baron and his children, she must decide whether a broken past can really lead to a shared future.

Series background & context

The prequel to All the Duke's Sins is there to do what a good prequel should do, show you the choices, betrayals, and family fractures that shape everything that comes later. In Caldwell's world, family secrets rarely stay put, and this story gives the emotional groundwork for one of her most class-conscious series.

It starts with the older generation.

In practical terms, that means love complicated by duty, titles, affairs, and the kind of decisions that leave children paying the price years later. The prequel is not just a side note. It explains why legitimacy, inheritance, resentment, and belonging feel so loaded once the main series begins.

The tone matches the broader saga. There is romance, of course, but also a clear awareness that one duke's sins do not stay his alone. They ripple outward. They reshape futures. They leave some people privileged and others shut out.

If you like reading a family saga from the very beginning, the prequel is worth it. It adds extra weight to the later books and makes the Audley and Bentley family drama hit harder.