Learn about how fossils form, where different rocks are found and how minerals are used in everyday life. From prehistoric birds and petrified plants, to sparkling diamonds and poisonous lead, discover the world's most amazing rocks, fossils, minerals and gems.

What is a rock? -- Igneous rock -- Sedimentary rock -- Metamorphic rock -- Amazing patterns -- Strange shapes -- Deep caves -- Useful rock -- Rock art -- What is a fossil? -- How fossils form -- Hunting for fossils -- Sea creatures -- Discovering dinosaurs -- Strange and extinct -- Wonderful wings -- Precious plants -- What is a mineral? -- How minerals grow -- Amazing crystals -- Bright and beautiful -- Shining metals -- Strange and powerful -- Most deadly -- Hunting for metals -- Useful minerals -- What is a gemstone? -- Colorful jewels -- Dazzling diamonds -- Precious patterns -- Hiding inside -- Found in the ground -- Rare and strange -- Cutting and polishing -- Famous jewels -- Guide -- Glossary -- Index -- Picture credits.