Volcanoes! : mountains of fire /
by Eric Arnold ; illustrated by Doug Knutson.
- New York : Random House, 2003.
- 44 p. : col. ill. ; 23 cm.
- Step into reading. A Step 4 book .
- Step into reading. Step 4 book. .
Originally published: New York : Random House, c1997, in series: Step into reading. 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.