The long awaited return to Robert Lows Oathsworn series Island of Mann 979AD. A man lies dying with a message he cannot take to his grave a sworn secret that must be passed on only to Olaf Tryggvasson kin of Harald Fairhair of the Yngling line & true prince of Norway also known as Crowbone. When the message finally arrives so begins a quest to discover its meaning & for Crowbone to gain what is rightfully his: the crown of Norway. With a band of Chosen Men Crowbone begins an unforgiving journey that will see him face the challenge of new enemies & confront his suspicions of treachery from old friends. Looming over all is his ultimate rival; Gunnhild the Witch Mother of Kings Crowbones arch-enemy who will stop at nothing to prevent him from knowing what & where this secret is. In the fifth installment of his Oathsworn series Robert Low is back to his full-blooded Viking best this time visiting the harsh terrain of the North Sea coast in a tale about one mans quest for survival & the unexpected alliances that emerge as the very bonds that tie the Oathsworn together are put to the test.