Sienkiewicz, Henryk: The Knights of the Cross. v1. 25 Jul 2014
 

Henryk Adam Aleksander Pius Sienkiewicz (Polish: [ˈxɛnrɨk ˈadam alɛˈksandɛr ˈpʲus ɕɛnˈkʲevʲit͡ʂ]; also known by the pseudonym "Litwos" [ˈlitfɔs]; 5 May 1846 – 15 November 1916) was a Polish journalist, Nobel Prize-winning novelist, and philanthropist. He is best remembered for his historical novels.

Excerpt
The Knights of the Cross is a noble historical romance. The time and scene of the story are set in the middle ages during the conquest of Pagan Lithuania by the military and priestly order of the Knights of the Cross. An interesting read-the strategic computer game, Knights of the Cross is based upon historical fact and Sienkiewicz's novel.