The Vanishing Diamonds — Robert E. Jacob

This volume teaches about the forces that shape the earth, wind, rain, erosion and weathering. It teaches about the various forms of minerals and how they are formed. It discusses the Metamorphic process, the sedimentary process and the Igneous process. The student learns about the various layers that make up the earths surface and how soil is created and follows the 4th grade elementary science requirements.
Mr. Rocky Feller is hopping mad because his diamond mine is constantly being robbed. They call on Andy to find the thief before all of Mr. Fellers diamonds are gone. In the course of the investigation they find a suspect with long lost ties to Norsely. This case suddenly becomes personal. Follow the duo as they find a diamond thief and learn about rock and soil properties as well.