在這本書中作者介紹了各種不同的岩石跟礦物, 同時再加上作者詳細的解說及豐富的攝影照片, 使得全文的閱讀起來更為有趣。適合9歲以上兒童閱讀。
Rocks are made from minerals and come in all shapes and sizes. They can be as small as pebbles or as big as a mountain. Some can even turn into beautiful gemstones, like rubies. Learn all about rocks and minerals in this book full of facts and photographs.