John Hemry – The Lost Stars Series by Jack Campbell

The Lost Stars: Tarnished Knight (1 of 4)

2012 – on sale at Amazon

The Lost Stars: Perilous Shield (2 of 4)

2013 – on sale at Amazon

The Lost Stars: Imperfect Sword (3 of 4)

2014 – on sale at Amazon

The Lost Stars: Shattered Spear (4 of 4)

2016 – on sale at Amazon