[1] Stewart's first book Kumiko and the Dragon[2] was published by University of Queensland Press after winning the inaugural Voices on the Coast Youth Literature Festival writing award.
Both books continue Kumiko's fantasy adventure, with similar references to folktale and Japanese mythology.
Since the birth of her children in 2015 and 2017, Stewart has collaborated as illustrator on a number of different titles including a series of three picture books written by Australian Comedian Jimmy Rees.
The book has been praised by lead singer Angie Heart, as well as Myf Warhurst and Zan Rowe.
[16] In 2022 Briony Stewart and author Sherryl Clark jointly won the Prime Ministers Literary Award children’s literature category, for their junior fiction verse-novel Mina and the Whole Wide World.