In "The Sworn Brothers," Gunnarsson likely paints a vivid picture of early Icelandic society, focusing on the bond between two sworn brothers who pledge loyalty and support to each other in a challenging and uncertain environment. Set during the early days of Iceland's settlement, the novel would immerse readers in the struggles and triumphs of the Icelandic people as they establish their communities amidst natural hardships and cultural transformations.Gunnarsson's writing style is characterized by its lyrical prose, attention to historical detail, and exploration of complex human relationships. The novel would likely delve into themes such as honor, loyalty, friendship, and the clash between tradition and progress as Icelanders forge their identity and navigate the harsh realities of their environment.