Presents an introduction to oil and gas, in simple text with illustrations, describing where it can be found, how it is made, what it is used for, how it is extracted, and more.
Presents an introduction to iron, in simple text with illustrations, describing where it can be found, how it is made, what it is used for, how it is extracted, and more.
Explains how diamonds and other gems form, where they are found, and how they are mined, cut, polished, and used, and discusses different kinds of gemstones and their place in history and culture.
Presents an introduction to gold and silver, in simple text with illustrations, describing where it can be found, how it is made, what it is used for, how it is extracted, and more.