Complex sentence: In a Forgotten Realms product "Aurora's Whole Realms Catalog" (1992) Marco Volo described "death cheese" made from the milk of catoblepas dwelling in the Vast Swamp at Cormyr's border.
Split into simpler sentences: In a Forgotten Realms product from the 1990s "Aurora's Whole Realms Catalog," Aurora's Whole Realms Catalog. First printed in 1992 Marco Volo described "death cheese" made from the milk of catoblepas dwelling in the Vast Swamp at Cormyr's border.