The Underworld books in order

The Underworld is a dark romance series by Maggie Cole following women drawn into a secretive criminal organization through a series of ritualized marriages with deadly consequences.

Reading order

# Title Published Author Buy on Amazon
1 Bride by Initiation 2025 Maggie Cole Buy
2 Bride By Coronation 2025 Maggie Cole Buy
3 Bride By Ritual 2026 Maggie Cole Buy

The Underworld is one of Cole’s most recent series, with the first two books out in 2025 and the third arriving in 2026. The Bride titles – Initiation, Coronation, Ritual – suggest a world with its own rules and ceremonies, one where outsiders are brought in through formal, high-stakes processes rather than by choice.

This kind of structured criminal underworld, with its own hierarchy and rituals, is fertile ground for dark romance. The women at the center of these stories are navigating a world that has claimed them before they fully understood what that meant, and the men they’re bound to are products of that same system.

For readers following Cole’s recent output, The Underworld builds on familiar mafia-adjacent territory while adding a more ceremonial, structured feel that sets it apart from the New York and Ireland spin-offs.

Frequently Asked Questions

How many books are in the The Underworld series?

There are three books in the The Underworld series, published between 2025 and 2026.

What is the first book in the The Underworld series?

The first book in the The Underworld series is Bride by Initiation, published in 2025.

Is The Underworld series complete?

The Underworld series is not yet complete. The first two books – Bride by Initiation and Bride By Coronation – were published in 2025, and the third, Bride By Ritual, is scheduled for 2026.

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