The Art of War is an EP by the Polishdeath metal band Vader. It was released on November 14, 2005 by Regain Records in Europe, and Mystic Production in Poland. Japanese edition was released on November 23, 2005 by Avalon Marquee, and contains bonus track "Die!!!! (Giń Psie)".
The Art of War was recorded in June 2005 at Hertz Studio in Białystok, Poland produced by Wojtek & Sławek Wiesławscy. Photo session was made by Krzysztof "Sado" Sadowski, and it took place at Błędów Desert in Poland. A music video was shot for the song "This Is the War" which was produced and directed by Arkadiusz Jurcan. Screenshots from video have been used as cover art, and layout. The EP is the first Vader release that features guitarist Maurycy "Mauser" Stefanowicz as composer.