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Phantom Moon: A Werewolf Urban Fantasy Suspense Romance (Wolf Call: ICRA Munich) Paperback – February 10, 2024
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When an executive order straight from the very top sends my rookie butt on a mission to Berlin, the latest active location of a vamp serial killer no one seems to be able to catch, nightmares I had no idea I even had become my reality.
Torn throats and ancient dark magic give the murders a gruesome tint. But they aren’t even the worst part. Because the person ICRA suspects is behind all of it…
It’s someone I know.
Someone I never believed could go dark.
Someone I care for.
The evidence laid before me is irrefutable, my orders clear. But none of that makes it any easier to hunt down the person my heart wants nothing more than to save.
Don’t miss out Lotte’s exciting return in PHANTOM MOON! Deception, danger, and desire will keep you turning the pages long into the night!
One-click today to start reading!
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Author’s note: If you’re searching for the Lotte Freundenberger series, this is it. The content and books the same, it’s only the series that got a wolfish name upgrade!
- Print length322 pages
- LanguageEnglish
- Publication dateFebruary 10, 2024
- Dimensions5.25 x 0.81 x 8 inches
- ISBN-13979-8879185904
From #1 New York Times bestselling author Colleen Hoover comes a novel that explores life after tragedy and the enduring spirit of love. | Learn more
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From the Publisher


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Phantom Moon
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Rock This Wolf
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Heat of the Night
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Star Touched
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The Dark Ones
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Customer Reviews |
4.1 out of 5 stars 24
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4.1 out of 5 stars 66
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3.9 out of 5 stars 44
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4.1 out of 5 stars 75
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4.5 out of 5 stars 33
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Price | $4.99$4.99 | $3.99$3.99 | $2.99$2.99 | $3.99$3.99 | $3.99$3.99 |
Tagline | Even werewolves have nightmares. Mine just turned out to be real. | Bad boys with fangs as sharp as their personas are kings of rock’n’roll. But bad was never supposed to be synonymous with killer. | You can’t move forward without eliminating your past. In this case, literally. | Find your Sun, Moon, and Rising. | The world of Slavic immortals has never been darker. |
Series | ✓ | ✓ | no data | ✓ | ✓ |
Interspecies Crimes and Relations Agency | ✓ | ✓ | ✓ | ✓ | no data |
Romance type | MF (with FF prior) | MF | MF | RH | MF & MM (multiple couples) |
Wolf Call character crossovers | no data | ✓ | ✓ | ✓ | ✓ |
Editorial Reviews
From the Inside Flap
Each series (or standalone title) is its own complete work within the Kolovrat universe. You don't need to have any prior knowledge, simply dive into what feels best to you at the moment.
However, if you want to see the larger picture and enjoy the many crossovers peppered throughout my works, I do recommend eventually picking up all the available titles.
KOLOVRAT UNIVERSE
PRESENT TIMES
BLACK WEREWOLVES SERIES
An epic urban fantasy romance saga featuring Slavic gods, mythology, werewolves, vampires, witches, and much more!
Novels:
The Dark Ones
The 24hourlies
The Shift
The Ascension
Novellas:
Never Forgotten
Chased
The main four books are also available as a box set, perfect for binge-reading over 1400 pages of the epic story that changes the world forever:
Black Werewolves: Books 1-4
NIGHTWRAITH SERIES
Standalone M/F reluctant mates paranormal romances, featuring three half-demon, half-witch heroines, a Fae, a demon lord, and an incubus dragon!
Windstorm
Blackstorm
Nightstorm
Also available as a box set:
Nightwraith: The Complete Series
SUCC
A noir standalone urban fantasy romance featuring an open relationship between a succubus heroine and a human detective sent to investigate her hot Parisian nightclub!
FUTURE TIMES
WOLF CALL: ICRA MUNICH
Action-packed urban fantasy with a fast-burn, slow-build romance and a werewolf heroine who, instead of enjoying her calm career as a tennis coach, gets dragged into the darker waters of the Interspecies Crimes and Relations Agency!
Shadow Moon
Darkening Moon
Transient Moon
Phantom Moon
Burning Moon
Also available as two box sets:
Wolf Call: ICRA Munich (Books 1-3)
Wolf Call: ICRA Munich (Books 4-5)
SHADE ASSASSIN
Urban fantasy series with a scorching hot MFM romance between a half-demon assassin heroine, an ancient demon lord, and a smoldering fanged crime boss, and all the plot twists and surprises you could dream of!
Shadow World
Shadow Lies
Shadow Heart
Shadow Reign
The entire series is also available as two box sets for uninterrupted reading:
Shade Assassin (Books 1-2)
Shade Assassin (Books 3-4)
ICRA FILES: BERLIN
A paranormal rockstar romance series between a werewolf law enforcement agent and a hotter-than-sin vampire rockabilly singer that makes all fan(g)girl fantasies come true!
Fang Deep in the Blues (prequel)
Rock This Wolf
Down With Vamps
Long Gone Witch
The main three books in the series are also bundled up into a box set for easy enjoyment of over 700 pages of scorching hot music and even hotter chemistry:
ICRA Files: Berlin Complete Series
STARSEED
A steamy reverse harem paranormal romance magic with an astrology witch heroine who's already married to her soulmate when two more come crashing into her life!
Star Kissed (prequel)
Star Touched
Star Shunned
Star Versed (coming soon!)
SAINTS OF SINNERS
A dark paranormal MFM duet with a succubus who delivers lethal nightmares through her pleasure and two rockstars whose souls feel as dark and broken as her own!
Fang Me Hard
Burn Me Deep (coming soon!)
HEAT OF THE NIGHT
A dark urban fantasy MF romance between the boss of ICRA's Violent Crimes division and his agent who refuses to let his lethal past haunt him...even if it means breaking the very laws she swore to uphold!
PARADISE OF SHADOWS AND DEVOTION
A standalone MF atmospheric paranormal romance featuring a mermaid whose former life is out to get her and her Italian boss whose handsome exterior harbors secrets even darker than her own!
DESTINY RECLAIMED
An urban fantasy standalone novella with an unexpected bromance as a human and a demon tackle the aftermath of the War!
Product details
- ASIN : B0CVFTDT3C
- Publisher : Independently published
- Publication date : February 10, 2024
- Language : English
- Print length : 322 pages
- ISBN-13 : 979-8879185904
- Item Weight : 15.5 ounces
- Dimensions : 5.25 x 0.81 x 8 inches
- Book 4 of 5 : Wolf Call: ICRA Munich
- Best Sellers Rank: #3,425 in Vampire Thrillers
- #4,453 in Werewolf & Shifter Thrillers
- #36,698 in Werewolf & Shifter Romance
- Customer Reviews:
About the author

USA Today Bestselling Author Gaja J. Kos writes steamy urban fantasy and paranormal romance, rich with sizzling tension and soulmates who come in pairs, menage, or reverse harem constellations. Why choose, right?
As a Zodiac enthusiast and shameless summer babe, she thrives on finding magic in everyday life. She loves binge reading high-heat series, seeing her favorite rockstars live in concert, and spending time with her husband and their Chinese Crested dog.
Customer reviews
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Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonTop reviews from the United States
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- Reviewed in the United States on January 30, 2023Format: KindleVerified PurchaseLotte didn't set out to become an ICRA agent, but now that she is one she's going to do the job as only she can, with determination, the help of trusted friends... and on her own terms.
One of the greatest strengths of this series is that it not only remembers past events, but Lotte faces the consequences of past actions and has to deal with the repercussions of past choices and missions.
In every way possible she is growing and evolving, as an agent, as an adult with her personal relationships, and as a supernatural being.
- Reviewed in the United States on March 24, 2020Format: KindleLotte is hard at work dealing with what her boss gives her. Her latest didn't go easily at all. Elena and Lottie are speaking at work when their boss Kaatz tells them he needs to see them both. Lotte doesn't know who is scarier him or Isa. She doesn't know why he could be calling them into his office. Lotte and Elena go for their meeting. They are told not to investigate a case if it comes to their attention, immediately contact him. Lotte doesn't like to hear that, but she has to agree to it. Lotte knows in her gut something is off.
Lotte is still trying to get over Afanasiy after everything that happened. He has never tried to contact her and has stuck by his liege's side. Lotte knows she will have to get over him being her mate. She decides she has to try to move on somehow.
She is being sent out to Berlin for the case she is not supposed to work. That someone high up personally requested she be there. When she gets there, not only she still has to contend with Raya sending random demons to trail her but her life She learns that she has to track down on the one person she never thought, Isa.
Lotte's life is going to get a lot more complicated than she ever thought possible. Lotte will have to come to term with her feelings with Isa, Afanasiy, her job and her being half demon. There is so many great things going on with this book, I could not stop reading, I am looking to see where Lotte and Isa go from here and everything else in her life
I received a free copy of this book via Booksprout and am voluntarily leaving a review.
- Reviewed in the United States on May 17, 2020Format: KindleIs there anything Gaja J. Kos can’t write? Holy sugar this is one heck of a paranormal murder mystery. I have only read Kos’ science fiction books so this book came as a complete surprise.
I started this series with this book, Phantom Moon, the fourth book in the series and though I am probably missing some information I did not feel dropped into a television show having no clue what was going on. The heroine is kick ass and reminds me a little of my fave Anita Blake. The secondary characters are interesting, but for me I am kind of crushing on Lotte. (laugh)
Going back to read the first book. If you have not started the series, start now with me!
I received an ARC of this book and I am writing a review without prejudice and voluntarily.
- Reviewed in the United States on March 25, 2020Format: KindleOur heroine is part of the supernatural law enforcement agency and is tasked with finding a killer in Berlin. But the evidence points to a friend, so now she doesn't know where to turn.
This is book four in the series, but it works well as a standalone. You will be missing some of the background, but are the essentials are covered pretty quickly.
This is a paranormal story with a murder mystery vibe. The story is solid and well written, with a good strong plot and well developed characters that draw you into the story. I really liked our heroine who is tough and smart and knows not to take everything at face value. There are several twists and turns along the way which will keep the reader guessing and engaged in the story. Overall, I really enjoyed it and look forward to going back to the earlier stories.
Highly recommended.
I received a free copy of this book via Booksprout for review purposes.
- Reviewed in the United States on March 24, 2020Lotte was a werewolf and then became part demon. Her powers are growing and she is part of a Supernatural Enforcement Agency, keeping order and putting criminals behind bars whether they are human or supernatural. Now the case she is on involves vampires killing their victims, draining them of blood, and leaving strange symbols craved on the bodies. And after investigating for a day she is told that one the agencies agents has gone rogue and is the killer. But Isla is her mentor and she doesn’t believe she is guilty. In fact she might be being framed, and someone high up in the agency or in government might be crooked. I received a free copy of this book via Booksprout and am voluntarily leaving a review
- Reviewed in the United States on March 24, 2020Format: KindleThis fourth book in the Lotte Freundenberger series by Gaja J Kos was a supernatural and paranormal reader's dream as it had werewolves, demons, witches, and vampires, as well as half-bloods for good measure. At its heart, this was a very erotic romantic suspense thrill ride as one of the major characters, Lotte, a half-werewolf and half-demon, played sexually with both males and females. And of course, those encounters were described in vivid and erotic details by the author to add some spice to what otherwise would be a very dark and depressing story about the battles between the IRCA and the creatures practicing dark magic. The hunt for the truth and the battle that ensued made for a graphic and gory part of the story. This is a voluntary review of an Advanced Reader Copy of this book from Booksprout.
- Reviewed in the United States on April 20, 2021Format: KindleThis author's Nightwraith series is one of my favorites. So anything else written in this world is definitely a must read for me! The heroine Lotte is the kind of heroine I love reading! Nicely done!
I received a free copy of this book via Booksprout and am voluntarily leaving a review.
- Reviewed in the United States on March 25, 2020Format: KindleThis is book 4 of the Lotte Freundenberger series. This is such a great book. It’s well written with a great interesting storyline. A great series. I would definitely recommend reading.
I received a free copy of this book via Booksprout and am voluntarily leaving a review.