Library

One of a series of books on the Discovery of the World, the series tells stories of "discoveries" in various disciplines, focusing on showing how the discoverers thought during the entire event and the changes in their thinking at different stages; how these discoveries changed the world. This volume is a very interesting book. As one of the "Discovering the World Series", the author introduces the development process of land, sea, and air weapons and new weapons, introduces the past, present, and future of these weapons, and introduces their principles, structures, performance, and combat uses. It also includes some battle stories, anecdotes, and old news to give readers an overview and comprehensive understanding of the world of weapons.

This book introduces the history of world navigation from the perspective of the history of scientific and technological development, and sorts out and analyzes human navigation activities. The content runs through ancient and modern times. This book starts with the ancient navigation pioneers, focusing on the great age of navigation from the 15th to the 17th century, as well as the opportunities and challenges of navigation facing the world today. It not only includes the adventure stories of navigators, but also provides an in-depth analysis of the far-reaching impact of navigation in geography, war, trade, technology and other aspects. This book has rich knowledge content, exciting stories, rich pictures and texts, and is highly readable. It is suitable for teenagers, sailing enthusiasts and readers interested in history.