Chris Pellant is based in North Yorkshire and, with Helen Pellant, began writing books in the 1980s. They have written a number of earth science books, and also run their own photographic library (www.picsandwords.com). They are keen conservationists, studying and recording everything from plants and lepidoptera to marine life.

For experts and armchair enthusiasts alike, Rocks and Minerals: A Photographic Field Guide will appeal to anyone interested in uncovering the mysteries of this subject.
A general introduction is followed by an introduction to rocks covering the three groups: igneous, metamorphic and sedimentary, plus their formation and occurrence, main characteristics and economic uses. A number of examples from each category will be detailed and illustrated.
The second part of the book begins with an introduction to minerals, including gemstones, explaining their classification, occurrence, formation and characteristics, identification and economic uses. This is followed by accounts and images of a wide selection of examples.