The book is part of the Technology in Ancient Cultures series. The content is organize by geographical region (seen through chapter titles in the table of content) as well as chronologically within the chapters. The inclusion of a timeline at the end of the book provides a nice summary. Other access features present include the glossary, source notes, selected bibliography, and further reading. The index is detailed and broken into subtopics. This book can be used as a reference book or an introductory interest book. Technology permeates daily life. Children nowadays interact with technology constantly. This book is a great source for a social studies class to help students learn history. This book can also be used in a math and computer science class through selected excerpts. For example, have the students read the background information on pi before teaching lessons on areas of circles. ( )