The Rock and Gem Book is packed full of photos of natural wonders, including rocks, minerals, gems, shells and fossils.

This children's encyclopedia displays more than 1,200 full-colour specimens, from sapphires and rubies to silver and pearl, revealing the unique qualities of each material and how it is used in industry, architecture, art and science.

Including precious metals, rare fossils, tiny gemstones and giant shells, The Rock and Gem Book gives a complete overview of the Earth's naturally occurring marvels and the beautiful objects created from them.

About the Authors
Clive Gifford is an award-winning author of over 150 books for children and adults. These include Eye Benders: The Science of Seeing and Believing, winner of the prestigious Royal Society Young People's Book Prize in 2014. Clive's recent sports titles include The Official Rugby World Cup 2015 Fact File, The Official England Rugby Junior Supporters' Guide and Champions League Factfile, all for Carlton. He is a life-long supporter of Queens Park Rangers.

Dorling Kindersley, also known as DK, is an international publishing company that specializes in illustrated reference books for all ages. It was originally a book-packing company founded by Christopher Dorling and Peter Kindersley in 1974 before changing to being a publisher in 1982. A distinct style of many DK books are illustrations and text on white backgrounds, starting with their first release being a First Aid Manual for the British voluntary medical services.