Callie Hart

Callie Hart is a British author born in 1983, recognized for her contributions to romance and fantasy fiction, particularly her Fae & Alchemy series. She began her writing journey as an independent author, publishing over 40 books across various series in dark romance and new adult genres, achieving recognition as a USA Today bestselling author. Hart's novel Quicksilver, released in 2024, marked her entry into the romantasy genre, blending fantasy and romance elements. The book gained significant traction through BookTok, leading to a major publishing deal and a seven-figure acquisition by Netflix for a film adaptation. Quicksilver achieved widespread commercial success, topping both The New York Times and The Sunday Times bestseller lists.

Hart's early interest in writing was fostered by her grandmother, with whom she shared a passion for poetry. Her literary influences are diverse, including classic fantasy authors like J. R. R. Tolkien and Frank Herbert, as well as contemporary writers such as Patrick Rothfuss and George R. R. Martin. Critical reception for Quicksilver has been largely positive, with reviewers highlighting its romantic tension, fantastical elements, and unique magic system. The novel's success has positioned Hart as a prominent voice in the romantasy genre, with the Netflix adaptation aiming to preserve the adult tone of the original work.

Born in England in 1983, Callie Hart's initial foray into writing was nurtured by a childhood spent creating poems and limericks with her grandmother, an experience that ignited her passion for creative expression. She embarked on her professional writing career as a self-published author. Her debut novel, 'Deviant,' the first installment in the 'Blood & Roses' series, was released in February 2014. Over time, Hart developed a prolific output, authoring more than 40 books across multiple series, primarily within the dark romance and new adult fiction categories. This consistent body of work established her as a USA Today bestselling author, building a dedicated readership prior to her later mainstream success.

In June 2024, Hart self-published 'Quicksilver,' a novel that firmly established her in the romantasy genre, a fusion of fantasy and romance. The story centers on Saeris Fane, a young woman possessing alchemical abilities who is transported to a realm inhabited by Fae creatures, becoming entangled in an ancient conflict. Despite initial underperformance, Hart's strategic outreach to approximately 30 BookTok influencers proved transformative. The book's subsequent viral popularity on the platform, garnering over three million views in its first two months, attracted significant attention from traditional publishers. This led to a competitive auction for the 'Quicksilver' trilogy rights, ultimately secured by Forever (an imprint of Grand Central Publishing) and Hodderscape in the UK. The traditionally published edition, released in December 2024, immediately hit number one on The New York Times and The Sunday Times bestseller lists.

The immense success of 'Quicksilver' extended to Hollywood, with Netflix acquiring the film rights in December 2024 through a substantial seven-figure deal. Elizabeth Cantillon was attached as a producer, with Hart herself serving as an executive producer. A key priority for Hart in the adaptation process is to faithfully represent the mature and graphic nature of the source material. She has emphasized that the novel contains significant adult themes, including sensuality and violence, and her primary goal is to ensure these core elements are not lost in translation to the screen. As of November 2025, the screenplay was completed, and the production was in the process of selecting a director.

Callie Hart's writing draws inspiration from a wide array of literary figures and works. She has specifically cited J. R. R. Tolkien's 'The Lord of the Rings' and Frank Herbert's 'Dune' as major influences, noting Herbert's impact on the desert setting of Zilvaren in 'Quicksilver' and Tolkien's contributions to the novel's world-building and naming conventions. Other authors who have shaped her creative vision include Patrick Rothfuss, George R. R. Martin, Joe Abercrombie, and Tamsyn Muir. Critically, 'Quicksilver' has been met with acclaim. Publications such as Marie Claire, Cosmopolitan, and Women's Health have praised its blend of romance, fantasy, unique magic systems, and diverse characters, with some reviews drawing favorable comparisons to Sarah J. Maas's popular series.

“This is a very graphic book in many different ways. It's dark. It's sexy. It has graphic content and violence in all kinds of different ways. My main goal here is to make sure that the basis of the movie isn't lost.”

“for those who like their slow-burn romances with plenty of quick banter and a healthy dose of spice.”

“This story raises our love of enemies-to-lovers to a whole different level.”

“diverse group of fantastical creatures and unique magic system.”

“impossible to put down.”