Purgatory book cover

The Purgatory Series in Order

The Purgatory series can be read in any order, though starting with The Wolf Within provides the clearest introduction to the setting and recurring characters. The series follows FBI agents and supernatural beings in a secret unit that hunts dangerous vampires, werewolves, and other monsters in a hidden paranormal world.

🟡 Mostly Standalone · Start Anywhere

Purgatory Books in Order

4 books
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How to Read the Purgatory series

🟡 Mostly Standalone · Start Anywhere

Mostly standalone stories with recurring characters in a shared setting.

The Purgatory series does not need to be read in order. Each book tells a complete story with its own resolution. Continuity is limited to recurring characters and the shared setting. Reading the books out of order does not cause confusion, as there are no overarching plots or cliffhangers connecting the volumes.

About the Purgatory series

Series Premise

Purgatory refers to the secretive FBI Para Unit that deals with supernatural threats most humans never know exist. Each book features a new couple—typically pairing a powerful paranormal male (werewolf, vampire, or shifter) with a strong human or supernatural female—while they investigate crimes, face deadly enemies, and navigate intense attraction. The stories combine romantic suspense with action-packed paranormal elements.

Main Characters

Each book introduces a new lead couple, such as werewolf FBI agent Duncan McGuire paired with a human doctor, or a dangerous vampire with his fated mate. Recurring figures include Director Eric Pate, who heads the Para Unit, along with other agents and supernatural operatives who appear in supporting roles across multiple books.

Setting

The stories are set in a contemporary world where supernatural beings live among humans, primarily in U.S. cities and secret Para Unit facilities. Key locations include FBI field offices, hidden labs, and dangerous urban or wilderness areas where monsters hunt or hide.

Tone & Themes

The tone is steamy and suspenseful with fast-paced action and dark paranormal romance. Core themes include accepting one’s inner beast, trust between humans and supernaturals, redemption for dangerous characters, and the struggle between duty and desire.

Is This Series Worth Reading?

Yes, for readers who enjoy paranormal romance with strong suspense, alpha heroes, and high-heat relationships. The short length and focused stories make it easy to pick up individual books.

Content Warnings and Heat Level

This is an adult paranormal romance series with explicit sexual content and high heat level. Books include violence, blood, murder, and dark themes involving monsters and supernatural threats.

The Purgatory series explores intense romances between humans and dangerous supernatural beings within a secret FBI unit. With its self-contained stories and consistent paranormal world, it offers flexible entry points for new readers. Cynthia Eden’s blend of steamy romance and action defines this compact paranormal series.

FAQ

How many books are in the Purgatory series?

4 books

When will the next book in the series be released?

No new book is currently scheduled. The latest book, Deal With The Devil, was published in June 2015.

When was the most recent book released?

Deal With The Devil was published in June 2015.

What was the first book in the series?

The first book in the series is The Wolf Within, published in December 2013.

What genre is the Purgatory series?

The series primarily falls into the Paranormal Romantic Suspense genre.

Do you need to read the Purgatory series in order?

No, the books do not need to be read in order. Each story stands on its own, but recurring characters and the shared setting connect the series.

What is the Purgatory series about?

Purgatory refers to the secretive FBI Para Unit that deals with supernatural threats most humans never know exist. Each book features a new couple—typically pairing a powerful paranormal male (werewolf, vampire, or shifter) with a strong human or supernatural female—while they investigate crimes, face deadly enemies, and navigate intense attraction. The stories combine romantic suspense with action-packed paranormal elements.

Is the Purgatory series finished?

The series does not currently have a new book scheduled.