Book 1

Sentinel

by Anna Hackett

Published 25 July 2019

Book 2

Defender

by Anna Hackett

Published 21 August 2019

Book 3

Centurion

by Anna Hackett

Published 21 October 2019

Book 5

Guard

by Anna Hackett

Published 10 April 2020

Book 6

Weapons Master

by Anna Hackett

Published 11 August 2020