Twisted Princess, authored by Ivy Thorn, is a foray into the dark retelling of traditional fairytales, intersecting the mystical with the malevolent. This novel redefines the boundaries of typical fairytale narratives by infusing elements of psychological thriller into the lore of princesses and their kingdoms, presenting a refreshing, albeit darker, viewpoint that commands the reader's attention from the onset.

The book introduces Daria, a princess who defies the typical damsel-in-distress archetype right from the first chapter. Thorn’s depiction of Daria is meticulously crafted, integrating both strength and vulnerability in her character, making her not just relatable but also a figure of inspiration. On her 18th birthday, amid the grand celebratory ball, an uninvited guest propels the palace into chaos, setting the stage for the unraveling of dangerous secrets that threaten not just the royal family but the entire kingdom.

Thorn’s writing style is both elegant and gripping. She weaves her narrative with a richness that complements the complex, layered world she builds. Each page is laden with atmospheric details that transport readers straight into the heart of a cursed kingdom, where the line between friend and foe is razor-thin. The pacing is immaculate; Thorn manages to maintain an air of suspense throughout, making it hard to put the book down.

One of the most compelling aspects of Twisted Princess is its deviation from the black-and-white morality that often characterizes fairy tale retellings. The characters in Thorn’s world are deeply flawed, making them both more interesting and more genuine. Daria’s journey, fraught with betrayal and heartache, is also one of self-discovery and resilience. It challenges the reader’s perceptions of power and vulnerability, making us question the very foundation of heredity and honor in the royal lineage.

The secondary characters are equally well fleshed out. From the mysterious knight with questionable allegiances to the sage old adviser whose loyalty may not lie where it appears, each supporting character adds depth and intrigue to the story. Their interactions with Daria also accentuate different facets of her character, providing a holistic view of a princess often stereotyped in traditional stories. The dynamics between these characters underscore the novel's recurring theme of trust—its value, its fragility, and its potential for destruction.

Perhaps one of the novel’s greater feats is its villain, or rather, villains. Thorn blurs the lines between antagonist and ally, creating a complex network of relationships and histories that serve as both a puzzle and a ticking time bomb throughout the narrative. Just when the reader feels they have figured out the antagonist’s motives, Thorn throws another twist into the mix, reshuffling all previously held notions. This not only adds layers of depth to the narrative but also actively engages the reader in a mental game of chess, forecasting moves and countermoves.

The romance subplot, although less dominant, serves an essential purpose in the overall story. It’s tastefully handled, with Thorn building a palpable chemistry that feels both inevitable and forbidden. The romantic elements provide a poignant contrast to the darker themes of the book, highlighting moments of warmth and hope in a tale otherwise steeped in tragedy and betrayal.

However, Twisted Princess is not without its minor flaws. Some readers might find the middle sections slightly dragging as Thorn takes her time to set up the final act. Additionally, the complex network of characters and backstories might be overwhelming for some, necessitating careful attention to detail which can detract from the immersive experience for others.

In conclusion, Ivy Thorn’s Twisted Princess is a robust novel that redefines fairy tales for a mature audience. Its dark undertones and complex character dynamics weave a narrative that is both engaging and thought-provoking. Readers looking for a deeper, darker, and more intricate take on the stories of princesses and their realms will find this book a satisfying read. Thorn proves herself a storyteller not just by spinning a yarn but by intricately lacing together themes of power, betrayal, and redemption in a tapestry that holds a mirror to the ambiguities of human nature. For those who revel in narratives that engage both the mind and the heart, Twisted Princess is a must-read.