About “Sierra Six”
Sierra Six is book 11 in the The Gray Man series by Mark Greaney, first published in 2022.
A full synopsis for this title is coming soon.
Book details
- First published
- 2022
- Latest edition
- 2022 · ISBN 9780593098998
- Pages
- 528
Country
Sierra Six is book 11 in the The Gray Man series by Mark Greaney, first published in 2022.
A full synopsis for this title is coming soon.