Cirrus@Austlit

'M.K. Hume’s exclusive short story The Last Dragon’s Voyage is an untold adventure from The Ice King (Twilight of the Celts Book III).

[...]

'When Arthur, the illegitimate son of King Arthur, embarks on a dangerous voyage across the uncharted, frozen seas off the coast of Norway, the hazardous ice forces him to shelter in a fjord during the winter.

'But Arthur and his crew are soon confronted with an even greater danger when an enormous blue whale enters the fjord and starts attacking the natives’ vessels. They must risk their lives in a death-defying mission to slay the whale before it destroys them all…'

Source: Publisher's blurb.