Brimstone,

Combining razor-sharp banter, dark fantasy realms, and high-stakes romantic tension, the Fae & Alchemy series brought dark romance and romantasy to international bestseller lists. British author Callie Hart achieved major commercial success when the series' debut novel, Quicksilver, hit number one on both The New York Times and The Sunday Times bestseller lists in 2024. The novel became a prominent BookTok phenomenon and was optioned by Netflix in a seven-figure film adaptation deal.

As a USA Today, Sunday Times, and number one New York Times bestselling writer with more than forty published titles, Hart has built an extensive body of work across dark romance, new adult fiction, dark academia, and romantic fantasy. Her popular publications, including Quicksilver and its sequel Brimstone, highlight her skill at pairing intense emotional dynamics with immersive worldbuilding.

Career & Background

Born in England on December 5, 1983, Callie Hart began publishing fiction in 2014 with her Blood & Roses dark romance series. Over the past decade, she has authored over forty contemporary and dark romance books. A British expat who moved to the United States and now resides in California, she frequently writes her novels while traveling on the road, drawing creative inspiration from her surrounding environment. Hart is often found sequestered away in library corners, creating new story realms and brooding anti-heroes.

Writing Style & Themes

Hart considers herself an obsessive romantic who delights in throwing a dark twist into her stories. Her character-driven writing focuses on imperfect, flawed individuals whose strong personalities dictate her daily routine as she writes. Across her romantasy, dark academia, and dark romance works, she blends heart-stopping action, enemies-to-lovers dynamics, and blistering romance with high-stakes conflicts and morally complex characters.

Major Works

• Quicksilver — Published in 2024 as book one in the Fae & Alchemy series, this enemies-to-lovers romantasy debuted at number one on The New York Times and The Sunday Times bestseller lists, became a viral BookTok hit, and secured a seven-figure film deal with Netflix.
• Brimstone — The sequel to Quicksilver in the Fae & Alchemy series, continuing the high-stakes fantasy conflict, dark atmosphere, and intense romantic dynamic established in the first book.
• Blood & Roses Series — Launched in 2014, this dark romance series marked Hart's debut as a published novelist and established her recurring focus on flawed characters and anti-heroes.