In reading order
Brotherhood of the Scythe
Sam Whittaker
The Black Whisper
Sam Whittaker
A Maze of Canyons & Dragons
Sam Whittaker
A Brotherhood Forms: A Fantasy Adventure of Rising War!
Sam Whittaker
Factions
Sam Whittaker
A Rising Tide of War
Sam Whittaker
By the Blade's Edge
Sam Whittaker
The Scythe's War
Sam Whittaker