This book is taken from a series which is aimed at the National Curriculum Science 5-16 levels 3 to 6. It covers a wide range of topics, and each book has a structured development of its scientific content, giving the reader a clear progression through the topic. The books contain illustrated activities, accompanied by explanatory text. Process skills are tested using the suggested record-keeping and self-assessment. This book contains a study of development of the topic of soil, from its importance in our lives to the effects of agricultural practice and deforestation. The text progresses from the simple to the more complex concepts involved in this topic. The author of this book is an experienced science teacher and lecturer, and is also the author of Wayland's "Young Scientist" and "Science is Fun" series. - from Amzon