A New Yorker who began posting her first novel online at sixteen and became the best-selling author of "romantasy," with three linked fantasy series published by Bloomsbury.

The sixth book in A Court of Thorns and Roses and the first "movement" of a new arc, the Valkyrie Cycle, published by Bloomsbury on October 27, 2026.98
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Sarah Janet Maas was born in New York City on March 5, 1986, and grew up on Manhattan’s Upper West Side.1 At sixteen she began writing the novel that became Throne of Glass, a young-adult fantasy retelling of Cinderella, and posted chapters of it, as Queen of Glass, on FictionPress.com, where it became one of the site’s most popular stories.13 She studied creative writing and religious studies at Hamilton College, graduating in 2008.1
After college she took the novel down from FictionPress and sent it to literary agents; she signed with one in 2009, and Bloomsbury bought the book in March 2010.1 Throne of Glass, which follows an assassin in a world where magic has been banished, came out in 2012 and grew into an eight-book series that ended with Kingdom of Ash in 2018.112
A Court of Thorns and Roses (2015) began a second series, set in the fae realm of Prythian; A Court of Silver Flames (2021) was the fifth book.19 A television series announced by Hulu was dropped in February 2025.1011
In 2020 she began a third series, Crescent City, with House of Earth and Blood; the third book, House of Flame and Shadow, appeared in 2024.1 In March 2026 she announced two more ACOTAR novels, for October 2026 and January 2027; the first, A Court of Splintered Harmony, came out on October 27, 2026.59 She lives in New York City with her husband and two children.1
In order of first publication. Each series is kept together, in reading order, starting where its first book appeared. Titles, series and years from the bibliography in Maas's Wikipedia entry, with the 2026 book from Bloomsbury's announcements; coloring books are left out.15
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The Assassin's Blade, a collection of prequel novellas, was published third; Maas's own guide suggests reading it after Crown of Midnight.112
Bloomsbury published A Court of Splintered Harmony, the first A Court of Thorns and Roses novel since 2021.96
She revealed the titles and covers of the sixth and seventh ACOTAR books, A Court of Splintered Harmony and A Court of Forgotten Melody.8
On Alex Cooper's Call Her Daddy podcast she announced two new ACOTAR books, due October 27, 2026, and January 12, 2027; Bloomsbury's shares jumped about 20 percent on the news.57
Born in New York City.1
Begins posting chapters of her first novel on FictionPress.com.2
Graduates from Hamilton College and begins querying literary agents.1
Bloomsbury buys Throne of Glass.1
Throne of Glass is published.1
A Court of Thorns and Roses is published.1
Kingdom of Ash concludes the Throne of Glass series.1
House of Earth and Blood begins the Crescent City series.1
Hulu drops its planned television series of A Court of Thorns and Roses.1011
Announces two new ACOTAR books.5
A Court of Splintered Harmony is published.9
A Court of Forgotten Melody, the seventh ACOTAR book, is scheduled for January 12, 2027.85