Spark of the Everflame: Series Guide, Spice & Book 4

Anyone who’s spent five minutes in a romantasy book club has heard the question: “Have you read Spark of the Everflame yet?” Penn Cole’s Kindred’s Curse Saga has quietly become one of the most-talked-about fantasy romance series online, with readers hungry for answers about how spicy it gets, when the next book drops, and — surprisingly often — who actually wrote it — this guide settles those questions with verified facts from the author and trusted book platforms, so you can figure out whether this series belongs on your TBR pile.

Books published in series: 3 ·
Total books planned: 4 ·
First book publication year: 2023 ·
Goodreads rating (Book 1): 4.36 ·
Spice level descriptor: Moderate slow-burn

Seven facts, one pattern: The Kindred’s Curse Saga is a tightly planned four-book series with consistent branding, an established release cadence, and clear genre identity — but key details about the finale remain under wraps.

Will there be a 4th Spark of the Everflame book?

Yes — and it has a name. Burn of the Everflame is officially confirmed as the fourth and final book in The Kindred’s Curse Saga, according to Penn Cole’s author site. The series has been planned as a four-book arc from the beginning, not extended based on popularity.

What is the 4th book called?

The title follows the established pattern: Burn of the Everflame. Just as Book 1 is Spark, Book 2 Glow, and Book 3 Heat, Book 4 completes the combustion sequence. The author’s website lists it alongside the first three books in the saga (Penn Cole, Author — official series page).

Is there a release date for Burn of the Everflame?

Penn Cole announced on Instagram that Burn of the Everflame will release on September 8, 2026 (Penn Cole Instagram announcement). Book metadata sites like Fantastic Fiction also list a 2026 publication year (Fantastic Fiction — series listing).

The pattern: the series has a confirmed end date, giving readers a clear commitment window.

How spicy is the Spark of the Everflame?

Short answer: it’s a slow-burn with moderate heat, and explicit scenes don’t appear until Book 2. This matters a lot to readers who want to know what they’re signing up for before investing in a four-book series.

What does ‘spice level’ mean in romantasy?

In the romantasy genre, “spice” refers to the explicitness and frequency of romantic or sexual content. Romance.io, a community database tracking steam levels, rates Spark of the Everflame at 3 out of 5 and tags it as “open door” — meaning sexual content is depicted on the page, not just implied. But individual reviewers calibrate differently: Food for Thought Reviews gives the first book a much lower 0.5 spice score, noting the romance builds slowly (Food For Thought Reviews — spice rating).

Laurie Is Reading describes it as “a slow-burn both in pace and spice” (Laurie Is Reading — book review). The apparent conflict is actually consistent: Book 1 establishes tension; Books 2 and 3 deliver on the promise.

What are the top 5 spiciest books similar to this series?

Fans who enjoy the slow-burn dynamic of Spark of the Everflame often compare it to these titles with higher overall steam levels:

• A Court of Thorns and Roses (Sarah J. Maas) — steam increases significantly after Book 1
• Fourth Wing (Rebecca Yarros) — enemies-to-lovers with explicit scenes from Book 1
• From Blood and Ash (Jennifer L. Armentrout) — high steam, slow-burn romance arc
• The Bridge Kingdom (Danielle L. Jensen) — moderate spice, political romance
• Plated Prisoner series (Raven Kennedy) — begins slow, escalates to explicit in later books

The catch: spice ratings vary widely, so check sample reviews before committing.

Is the Spark of the Everflame series complete?

No — but it’s close. Three of four planned books are published, and the final volume has a release date. This isn’t a series that got abandoned mid-arc or extended indefinitely.

How many books are in The Kindred’s Curse Saga?

The saga is a planned four-book series. Penn Cole’s author site explicitly states “a four-book epic fantasy romance series” (Penn Cole, Author — series description). The same structure is confirmed on Goodreads, which lists all four titles in order (Goodreads — series listing).

What is the reading order?

The sequence is straightforward — read them in publication order:

1. Spark of the Everflame (May 31, 2023)
2. Glow of the Everflame (April 29, 2024)
3. Heat of the Everflame (April 30, 2025)
4. Burn of the Everflame (September 8, 2026 — forthcoming)

The implication: new readers have a clear, finite commitment. The series isn’t a sprawling open-ended epic; it’s a contained four-book story that will wrap up in 2026.

What is the 4th book in the Spark of the Everflame series?

Burn of the Everflame closes the series. It follows the naming convention of the first three books and is explicitly marketed as the final volume by the publisher.

What is the title of Book 4?

The title is Burn of the Everflame. Penn Cole’s series page groups it with the other three titles (Penn Cole, Author — all books). It’s also listed on Fantastic Fiction with a 2026 publication year (Fantastic Fiction — series timeline).

What is the expected plot of Burn of the Everflame?

No official synopsis has been released. Given where Heat of the Everflame leaves the story, readers can expect the resolution of the central romantic arc and the fate of the kingdom. But until Penn Cole publishes a summary or the book itself arrives, plot details remain speculative.

The pattern: the series is complete in scope, but the final plot remains under wraps until closer to release.

Is Rebecca Yarros working on book 4?

This question comes up frequently — and the answer is a firm no. The confusion is understandable: both authors write fantasy romance with similar target audiences, and both have four-book series with dragons and courts. But they are separate authors with separate works.

Who is the author of Spark of the Everflame?

The author is Penn Cole, who writes under that name across their website and all official book listings (Penn Cole, Author — official site). Cole describes themselves as a “romantasy author,” and their site groups the saga titles together consistently.

Is Rebecca Yarros the author of The Kindred’s Curse Saga?

No. Rebecca Yarros is the author of The Empyrean Series (beginning with Fourth Wing), published by Red Tower Books. The Kindred’s Curse Saga is an independent work by Penn Cole. There is no connection between the two series, no crossover, and no shared publisher.

Why this matters: search results sometimes mix up the two because both series have four-book arcs, both feature dragon-adjacent fantasy elements, and both sit in the romantasy sweet spot. For readers specifically looking for Spark of the Everflame, searching “Rebecca Yarros book 4” will lead to Onyx Storm (the third Empyrean book, due 2025), not Burn of the Everflame.

Why is ACOTAR banned?

While this question isn’t directly about Spark of the Everflame, it comes up because readers often discover both series in the same romantasy circles and wonder whether similar content might get Cole’s work challenged too.

What is ACOTAR?

A Court of Thorns and Roses (ACOTAR) is a fantasy romance series by Sarah J. Maas, published beginning in 2015. It’s one of the most commercially successful romantasy series of the past decade, with more than 10 million copies sold worldwide.

Why are books like ACOTAR challenged or banned?

ACOTAR has been challenged in some school and public libraries in the United States primarily due to explicit sexual content and mature themes. The American Library Association’s Office for Intellectual Freedom tracks these challenges, and ACOTAR often appears on lists of frequently challenged books in the “romance/fantasy” category.

The Spark of the Everflame series also contains explicit content, but as of mid-2025, there are no widely reported bans or challenges against it. The difference in scale — ACOTAR has a much larger readership and more years in circulation — partly explains the disparity.

“Spark of the Everflame is the first in The Kindred’s Curse Saga, a four-book fantasy romance series.”

— Goodreads description of Spark of the Everflame

“Spark of the Everflame is the first book in The Kindred’s Curse Saga, a four-book epic fantasy romance series.”

— Penn Cole author site

“It’s a really great world, and the characters are all fantastic!”

— Reddit r/fantasyromance user review

The bottom line for the reader who’s made it this far: Spark of the Everflame is the opening act of a complete, four-book fantasy romance saga that wraps in 2026. It’s moderately spicy, it builds slowly, and it was written by Penn Cole — not Rebecca Yarros. For romantasy fans deciding whether to start now: three books are available, the finale has a date, and the only question left is whether you prefer to binge-read or wait for the finale.

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