For those who do not research the deep Earth but who wish to appreciate the current state of our understanding...the book is extremely appropriate because it is clearly written succint and well illustrated... - Nature; If you want to know the present status of research questions and discoveries bearing on the earth's interior, this book is an excellent starting point. The book combines the best of a research monograph, or long review article, and a short introductory text. It is impressively up-to-date , yet is not overly encyclopedic. More important, it fairly summarizes current debates and controvesies, while clearly explaining the motivation behind the work leading to the conflicting views. - Journal of Geologic Education; There may by more than a few readers out there for whom the advances in deep earth geophysics are coming just a bit too fast to assimilate. If you are one of these, this is your book, in which a comprehensive update is joined with considered judgements about what will endure. - Geological Magazine; ...an extremely timely addition to the literature...an excellent overview suitable not only for a beginning graduate student...but a useful and inexpensive addition to the bookshelf of anyone with an interest in the earth's deep interior - Pageoph