The Coming of Dragons by A.J. Lake

Edmund, a king’s son in disguise, and Elspeth, a sea captain’s tomboy daughter, are the only two survivors of a terrible shipwreck. They just want to go home, but fate has other plans as they are drawn into the fight against an evil warlord terrorizing their homeland. Accompanied by a mysterious minstrel and haunted by magical powers they did not seek, Edmund and Elspeth journey across a savage land of wild boars, fierce rogue knights, and black magic. Fantasy fans will devour this dramatic tale of mystery, wonder, and the power of friendship.