The Circle Series 4-in-1

The Oath

A Draw of Kings (The Staff and the Sword)

The Hero's Lot (The Staff and the Sword)

The Book of Kells

The Song of Albion Collection: The Paradise War, The Silver Hand, and The Endless Knot

The Lens of the World Trilogy: Lens of the World, King of the Dead, and The Belly of the Wolf

King Raven: Hood, Scarlet, and Tuck

A Cast of Stones (The Staff and the Sword)

The Grey Horse