Book Overview ━ Overview ━ The world was amazed! The Japanese edition features powerful illustrations. "Insiders" is a thematic pictorial encyclopedia featuring powerful illustrations and diagrams, accompanied by explanatory text. It is an international publishing project by Weldon Owen, USA, with publications in over 30 countries, including Japan, the United States, Australia, the United Kingdom, and France. This global scale of publication has enabled high-quality production. The themes covered in "Insiders" include history, archaeology, nature, biology/life, and technology. The explanatory texts are written by experts in each field, providing the latest and most comprehensive knowledge.