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

Will there be a skyward book 3?

This title will be auto-delivered to your Kindle on November 23, 2021.

Will there be a fourth Wax and Wayne book?

The Updated Writing and Release Schedule for 2020 and Beyond

Skyward Three: Summer(?) 2021. Wax and Wayne Four: Fall(?) 2021.