

The final book in the series, Kingdom of Ash, was released on Octothe finished series comprised seven books plus the novella collection. The second book of the series, Crown of Midnight was a New York Times young adult best-seller.

While four prequel novellas set two years before the first novel were also published, these were later condensed into one book, The Assassin's Blade plus an original novella. The series is available in 15 countries and 35 languages.

Throne of Glass was purchased in March 2010 by Bloomsbury, who later purchased two additional books in the series. The story line of the series is based on the story of Cinderella, with the premise of "What if Cinderella was not a servant, but an assassin? And what if she didn't attend the ball to meet the prince, but to kill him, instead?" In 2008, Maas started sending the story to agents before signing with Tamar Rydzinski of The Laura Dial Literary Agency in 2009. It was later removed from the site when Maas decided to publish the novel. After writing several chapters of the novel, then titled Queen of Glass, Maas posted them on, where it was one of the most popular stories on the site. Maas began writing what would become her debut novel, Throne of Glass, when she was sixteen years old. In 2008, Maas graduated magna cum laude from Hamilton College in Clinton, Oneida County, New York, where she majored in creative writing and minored in religious studies. She also used to write Sailor Moon fanfiction in her youth. As a child, she enjoyed creating stories based on popular tales or myths. Born to a Catholic mother and Jewish father, she was raised Jewish. She grew up on the Upper West Side of Manhattan. Maas was born on March 5, 1986, in New York City. of 2022, she has sold over twelve million copies of her books and her work has been translated into 37 languages. Sarah Janet Maas (born March 5, 1986) is an American fantasy author known for her fantasy series Throne of Glass, A Court of Thorns and Roses.
