The Second Edition also benefits from new artwork that clearly illustrates complex concepts. New to the Second Edition: New Chapter: 15 Geophysical Imaging " by Frederick Cook Within Chapters 21 & 22 four new essays on " Regional Perspectives" discuss the European Alps the Altaids the Appalachians & the Cascadia Wedge. New & updated art for more informative illustration of concepts. The Second Edition now has 570 black & white figures."