TY - BOOK AU - Arnold,Eric AU - Knutson,Doug TI - Volcanoes!: mountains of fire T2 - Step into reading. A step 3 book SN - 0679886419 (pbk.) AV - QE521.3 A76 1997 U1 - 551.21 21 PY - 1997/// CY - New York PB - Random House KW - Volcanoes N2 - Describes the eruption of Mount St. Helen's in Washington State in 1980 and provides a simple explanation of how and why volcanoes erupt ER -