In Volcanoes, young readers learn the squeezing of rocks and minerals deep in the Earth causes them to get so hot that they melt to form magma. When magma pushes through a weak spot in Earth’s solid crust, a volcano occurs.  Magma that comes to Earth’s surface is called lava.
 
Softcover, 8×8 in., 24 pages
Word Count 237,  Lexile Measure 590L
A pronunciation guide is included. Reading Level 1-3, Interest Level 2-5.