This series uses cartoon-style illustrations and humorous narrative text to make key topics in Science and Geography accessible and engaging. This approach encourages children to read about and understand complex ideas. This is the story of how a special sort of stone formed deep inside the Earth, and came to the surface thousands of millions of years later. The Rock Factory looks at how minerals turn into rock crystals, how the Earth is structured and how volcanoes happen. This book also contains an experiment, useful websites and an index. Reviews for previous titles in the Science Works series: 'Making science accessible and fun for younger readers is no easy task, but the author/illustrator partnership of Bailey and Lilly makes a brilliant job of it...Bright appealing cartoon-style artwork and a continuous narrative text treat each topic in the form of a story...Highly recommended' Books for Keeps, 5 star review. 'Using a clear and engaging narrative format with well-conceived and lavishly produced illustrations, the Science Works series interweaves science knowledge into a story with humour and interest' Times Educational Supplement.