Oathsworn Books in Order

Young Orm Rurikson joins his estranged father aboard a Viking raider and becomes one of the Oathsworn. A commission to recover a legendary sword sends the crew toward Attila's treasure, testing their sworn brotherhood.

Orm's stolen Rune Serpent sword holds markings only he can decipher. Pursuing its thief, the Oathsworn cross dangerous seas and enter the conflicts surrounding Constantinople, seeking to reclaim the key to a legendary treasure.

Restless after settling at their homestead, Orm and the Oathsworn face an attack by Klerkon's men. Their vow of revenge becomes a dangerous rescue journey when two members of their brotherhood need saving.

An enemy's attack drives the Oathsworn from their homestead while they guard the pregnant Queen Sigrith. Orm must put her safety before revenge as a rival claimant's ambitions make the unborn heir a target.

On the Isle of Mann in 979, a dying monk holds a secret crucial to Crowbone's claim to Norway's throne. Gunnhild's opposition sends him and his companions into a journey that tests their sworn loyalties.