Rebecca Yarros returns

Rebecca Yarros confirmed via an Instagram post that she’s actively working on the fourth Empyrean novel, a development reported by Yahoo on March 19, 2026. (yahoo.com) Earlier signals from Yarros show plotting began in January 2026 when she told fans she was “getting close” to starting Book 4 on Jan. 23, 2026, according to Brit + Co. (brit.co) A separate report captured an Instagram post where she shared index cards and plotting cues on Feb. 8, 2026. (ainvest.com) The latest published entry in the series, Onyx Storm, was released Jan. 21, 2025, and Publishers Weekly reported first-week sales for the title topped nearly 1.1 million copies. (linktr.ee) Entangled, Yarros’s publisher, has said the three Empyrean novels have sold more than 12 million copies in the U.S. to date, a figure cited in industry coverage of the series’ rapid sales growth. (goodereader.com) The Empyrean saga is also in development for television at Amazon MGM Studios with Outlier Society attached, and Yarros is listed as a non-writing executive producer on the adaptation. (variety.com) The series’ social-media footprint remains large—publishers and outlets have reported Empyrean-related hashtags accumulating over a billion views on short‑form platforms, and entertainment sites from Parade to Pedestrian covered Yarros’s Instagram plotting updates. (planetadelibros.com)