Volcano Nomenclature Book illustrates and describes 11 parts of the volcano: volcano, magma chamber, conduit, side vent, parasitic cone, crater, lava flow, ash cloud, cone, topsoil, and crust.Includes:book cover11 picture pages11 description pagesThere are two styles of books included. Style one is approx. 3¾" x 5", style two is approx. 5½” x 5½“ and requires little preparation.You may be interested in the following:Volcano Nomenclature CardsVolcano Pictures & Fast Facts