17 Authors Who Write Both YA and Adult Books 

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Fantasy Authors

GLOBAL – So many authors have been grabbing the attention and love of readers in fantasy spaces. Authors like Holly BlackScarlett St. Clair, and Sarah J. Maas have been #Booktok sensations on TikTok, becoming the center of viral fandoms that boosted sales of their books. Holly Black made her adult debut this year (one of our Best Books of the Year So Far titles) with Book of Night, and Sarah J. Maas has long been beloved in both spaces. Scarlett St. Clair will be making her YA debut with When Stars Come Out this month!  

TJ Klune and V.E. Schwab have been longtime crossover authors, paving their own paths. TJ Klune’s next YA book in The Extraordinaries Series releases this month, closing out the series with a magnificent bang. It’s no secret that we love his adult books, with The House in the Cerulean Sea being one of our former monthly picks, and Under The Whispering Door as our Speculative Fiction Book of the Year in 2021. V.E. Schwab has captured our fantasy loving hearts with her YA titles like Gallant while capturing adults with stories like The Invisible Life of Addie Larue and A Darker Shade of Magic. 

Both Adrienne Young and Shea Ernshaw are YA authors who have made their adult debuts within the past year. Adrienne Young has historically captivated us with stunning stories of sea, spirit and spells with her Fable series (get ready for the newest in the series, Saint, coming this November), and her upcoming adult debut, Spells for Forgetting is coming in September and will bring all the things we’ve always loved about Adrienne’s books but with the addition of a sprinkle of mystery and a second chance at love. Shea Ernshaw’s debut adult mystery/thriller doesn’t depart all that far from her YA titles. Bringing her signature spellbinding stories set in the real world with a speculative or supernatural twist, A History of Wild Places will keep you just as enchanted as Winterwood or The Wicked Deep did with their remote settings full of witchy happenings. Plus, don’t miss her upcoming YA that we’re super excited for: Long Live the Pumpkin Queen where Nightmare Before Christmas fans can pick up where the film left off but with Ernshaw’s signature style. 

GLOBAL – So many authors have been grabbing the attention and love of readers in fantasy spaces. Authors like Holly BlackScarlett St. Clair, and Sarah J. Maas have been #Booktok sensations on TikTok, becoming the center of viral fandoms that boosted sales of their books. Holly Black made her adult debut this year (one of our Best Books of the Year So Far titles) with Book of Night, and Sarah J. Maas has long been beloved in both spaces. Scarlett St. Clair will be making her YA debut with When Stars Come Out this month!  

TJ Klune and V.E. Schwab have been longtime crossover authors, paving their own paths. TJ Klune’s next YA book in The Extraordinaries Series releases this month, closing out the series with a magnificent bang. It’s no secret that we love his adult books, with The House in the Cerulean Sea being one of our former monthly picks, and Under The Whispering Door as our Speculative Fiction Book of the Year in 2021. V.E. Schwab has captured our fantasy loving hearts with her YA titles like Gallant while capturing adults with stories like The Invisible Life of Addie Larue and A Darker Shade of Magic. 

Both Adrienne Young and Shea Ernshaw are YA authors who have made their adult debuts within the past year. Adrienne Young has historically captivated us with stunning stories of sea, spirit and spells with her Fable series (get ready for the newest in the series, Saint, coming this November), and her upcoming adult debut, Spells for Forgetting is coming in September and will bring all the things we’ve always loved about Adrienne’s books but with the addition of a sprinkle of mystery and a second chance at love. Shea Ernshaw’s debut adult mystery/thriller doesn’t depart all that far from her YA titles. Bringing her signature spellbinding stories set in the real world with a speculative or supernatural twist, A History of Wild Places will keep you just as enchanted as Winterwood or The Wicked Deep did with their remote settings full of witchy happenings. Plus, don’t miss her upcoming YA that we’re super excited for: Long Live the Pumpkin Queen where Nightmare Before Christmas fans can pick up where the film left off but with Ernshaw’s signature style. 

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