This Powered By The Apocalypse stand-alone role-playing game is written by Jessica Van Oort, Ruth Lampi, and S.A. Hannon, and illustrated by Amanda Williams. It is suitable for ages 13 and up.
July 18, 2019 update: Both the pdf and softcover paperback versions of the book are available for purchase at DriveThruRPG. You can also download printable copies of the playbooks and supplemental materials for free.
(You can check out older news about this project in our SDHSR design tag.)