Volcanoes! : mountains of fire /
by Eric Arnold ; illustrated by Doug Knutson.
- New York : Random House, 1997.
- 44 p. : col. ill. ; 23 cm.
- Step into reading. A step 3 book .
Describes the eruption of Mount St. Helen's in Washington State in 1980 and provides a simple explanation of how and why volcanoes erupt.