Rock & Mineral Coloring & Activity Book - Prijzen

100 Questions about Rocks & Minerals

Topaz Gemstones - A Collection of Historical Articles on the Origins, Structure and Properties of Topaz

This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience. Carefully selecting the best artic...

Gemstones of the World

Gemstones of the World is truly the single volume that every hobbyist, jeweler, jewelry maker, and rockhound needs: it’s the cornerstone of the field. And this updated edition contains a host of new f...

The Ultimate Book of Dinosaurs

People have always been fascinated by dinosaurs! From the earliest discoveries of dinosaur bones in the mid-19th century, children and adults alike have wanted to read all about these giant creatures:...