Heresy is the second album by Paradox, released in 1989. The album preaches a conceptual story about the Albigensian Crusade of the 13th century. It is Paradox’s best selling album to date, and was the band’s last studio album for 11 years, until Collision Course (2000).
Heresy was reissued by the German label High Vaultage Records in 1999, which contains 2 bonus tracks. The album was reissued again on August 13, 2007 by Metal Mind Productions from Poland as a digipack on golden disc, featuring bonus tracks, digitally remastered using 24-Bit process and limited to 2000 copies.