تاريخ أوروبا
His series The History of Norway (5 volumes; 1996–2000) received the Sverre Steen Prize of the Norwegian Historical Society and topped the bestseller list for non–fiction in Norway. It became the basis of a TV-series, with Alnæs as host and director. His book series The History of Europe (4 volumes; 2003–2006) has been translated into several languages.