The War Within is the fourth studio album by American heavy metal band Shadows Fall. The album has sold over 300,000 copies worldwide. The War Within is the band's best selling album, and in 2005 made sales history on Century Media Records when it became the label's best selling album of all time. To date, the album retains this status. The album was also issued as a limited edition digipak with an exclusive bonus DVD that featured bootleg concert footage along with drum and guitar lessons from members of the band. The album debuted at number 20 on the Billboard 200 during its release.