"Earth: Portrait of a Planet" by Stephen Marshak is a textbook published by WW Norton & Co in the United States between 2000-2010. This paperback book is an educational resource focusing on the subject area of geology, specifically geared towards adult and further education levels. Written in English, this book offers a comprehensive look at the Earth and its various planetary features, making it an essential read for those interested in learning more about our planet's intricate inner workings.