Dangerous Girls
by Lisa M. Sylvan
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Pub Date 11 Sep 2025 | Archive Date 10 Sep 2025
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Description
Imogen Brine is undeniably strange. Some would even say dangerous. She can make poisonous flowers grow from her fingertips and her "gift" is becoming harder to control. When she is invited to a secret island to be with other girls – girls with dangerous gifts of their own – it feels like the chance to finally be herself. Somewhere she will fit in. However, not long after her arrival, a deer is found dead with poisonous flowers growing from its corpse. And all eyes are on Imogen. Imogen knows she's been set up. Something on the island feels wrong – and it isn't just the friction with the other girls or the growing tension between her and the son of the island's head of security, Jack. As strange occurrences continue to rock the island, some more dangerous than others, Imogen realizes she will have to work quickly to learn what's causing them. Because things are about to turn deadly. And not all dangerous girls want to be friends.
Advance Praise
"A dark, addictive gothic fantasy. It's an eerie, beautiful tale, following powerful girls with unique gifts and a creepy murder mystery. I loved it – would recommend if you're a YA fantasy enthusiast." – Georgia Leighton, author of Spellbound
"A hauntingly atmospheric tale of power and friendship, that crept deliciously beneath my skin. Dark and dangerous, these girls utterly bewitched me." – Bex Hogan, author of Nettle
Available Editions
ISBN | 9780702339264 |
PRICE | £8.99 (GBP) |
Available on NetGalley
Featured Reviews

I read an eARC of this book on NetGalley so thank you to the author and the publisher.
This was an atmospheric book with a great premise. We have a girl with uncontrollable powers sent to a school/home on a remote island in Scotland that can cater to the education she needs to manager her power. Imogen’s power itself was really fascinating. She can grow Oleander, a poisonous plant from her fingertips, but only that specific plant. When this was introduced I thought this was really cool. I wanted to see a lot more of this. I also wanted to know, why Oleander? I thought this likely had a fascinating backstory or explanation so I would have loved to have seen this explored further. All the girls we meet at the school have interesting powers. We did get to see a decent bit of this at the start, but it tailed off and this was a shame as I’d have loved more focus on the magic. The author had some really interesting ideas on this space, we just needed more detail. I liked the school location and how this helped with Imogen’s sense of self. Despite the danger she faces here, she starts to feel more confident and comfortable in her own skin, not feeling like she has to hide because of her kinship with her fellow students that blossoms throughout the book.
The setting was great, an isolated Scottish island. Elements of this were used really well, particularly around water. This really added to the atmosphere of the book.
The storyline that positions the mystery and the growing menace was intriguing. I liked how this built up on the girl’s different powers, giving us more depth around what they can do whilst adding suspense. I felt I wanted more of this. The romance felt quite unnecessary and didn’t add anything to the book. It could have just been friendship and given us more space for the mystery.
Some great elements to this book, I would have just liked them explored in more detail and for it to have been a bit longer. Certainly memorable and worth a read for the mystery and atmosphere

I loved that the book was mainly thriller with some slight fantasy elements. It was a very easy read and I enjoyed that the romance was kept to a minimum. There were so many twists and turns throughout, I wasn’t sure who the bad person was going to be! Very different to other books I’ve read! I would love another book that focused more on the girls abilities and the school!

It reminds me a lot of "Green Rising" by Lauren James, but it is a very different kind of story. The plants that grow out of the fingertips of the heroine are poisonous. It is an easy read in the sense that the author keeps the voice of the heroine authentic and steers clear of more advanced words. It has enough mystery in the story to keep me going. Sometimes I wish that the feelings of the characters were given a bit more coverage. All in all, it is an engaging and enjoyable read.

Okay, you need to read Dangerous Girls, seriously, I devoured it in like two sittings. If you’re into gothic fantasy with a hint of dark mystery and just the right amount of romance, this one’s for you. It gave me total Miss Peregrine’s Home for Peculiar Children vibes, but with its own unique, haunting twist.
So, the main character, Imogen Brine, is not your average teenage girl. She can literally grow poisonous flowers from her fingertips (yes, really). Because of this strange and slightly terrifying gift, she’s invited to this secret island where girls like her are able to learn how to control their powers. Sounds cool, right? But of course, things don’t go smoothly. Weird stuff starts happening as she arrives, and suddenly everyone’s looking at her like she’s the problem.
What I loved is that it wasn’t just spooky for the sake of being spooky. There’s mystery, tension, and this creepy sense of “something’s not right” that keeps you flipping pages. Plus, the powers the other girls have? Wild. Think summoning swarms of insects, starting fires with a glance, even turning into a mermaid. It's like X-Men meets dark fairy tale.
There’s also a sweet romance woven in, not overpowering, not cheesy, just the right amount to make you smile a bit while still letting the mystery take the spotlight. And the found family element? Ugh, so good. These girls are messy and powerful and trying to figure themselves out, and you can’t help but root for them all.
All in all, it’s a fast, eerie, magical ride that hits all the right YA notes. If you love gothic fantasy with heart and atmosphere, you need to add this to your TBR ASAP.

I really enjoyed this book , it's dark, atmospheric and the setting on a remote Scottish Island is the perfect setting- the gothic vibes are obviously going to appeal to me but it has a really nostalgic feel and I can absolutely see why some other reviews have spotted comparisons with Wednesday!
Love the concept where "Dangerous Girls" those with uncontrollable powers are brought to a remote island to learn control (if they can,) our main character Imogen can sprout poisonous plants from her fingertips which has found her at the school, I was intrigued by the plant that the author chose but I would have loved to have known why that plant?
Quite early on in the book things start to take a dark turn for Imogen, is someone trying to frame her?
Dangerous Girls is really fast paced, I love when a book just keeps moving and this one did not let up I finished it in less than 24hrs with the tension building and building, there is also a slow burn romance building on the sidelines which helps with the twists and turns because your attention is always shifting which makes the twists even more impactful. While there is magic this book is far more focussed on the mystery which for me was not an issue at all as the Gothic came through all the more.
Would definitely recommend as a YA read although I think it would work well for the younger end of teen who want more challenge and a little more darkness than they get from middle grade.

This was the first book I’ve read by the author. First, the book’s cover and title immediately grab your attention. It was an incredible adventure!!! I loved the first-person narration of the story and the author’s writing style. If you enjoy reading gothic fantasy romance and YA fiction; then this one is definitely for you!
This is an ARC review. I appreciate receiving this copy from NetGalley and the publisher in return for an honest review.