Recent research has emphasised the important part played by tephra during the evolution of volcanoes and their subsequent emission. Huge amounts of volcaniclasts are released by explosive volcanoes with significant impact on diverse aspects such as population safety, hydrology and the filling of sedimentary basins. This volume examines the production, transport and deposition of volcaniclasts (tephra and epiclasts) as well as their economic geology, particular in terms of reservoir engineering, hydrothermalism and hydrothermal mineralisations, hazard and development. Volcaniclastic Rocks, from Magmas to Sediments is an excellently written and beautifully illustrated textbook compiled by a multidisciplinary group of experts which will be of great value to postgraduates, researchers and working professionals in the earth sciences, especially in volcanology as well as economic, engineering and environmental geology.