Cytonic (original) (raw)

Cytonic is a 2021 young adult science fiction novel written by American author Brandon Sanderson. It is the third book in the Skyward series after Skyward and Starsight. The penultimate novel of the four-book series, it was published by Delacorte Press on November 23, 2021 with a sequel due in 2023 entitled Defiant.