揭开未解之谜的神秘面纱，探索扑朔迷离的科学疑云；让你身临其境，保受益无穷。书中还有不少观察和实践的设计，青少年读者们可以亲自动手，提高自己的实践能力。对于广大青少年学习、掌握科学知识也是不可多得的良师益友。( This book uncovers the mysterious veil of unsolved mysteries and explores bewildering scientific doubts; you will feel as if you were personally on the scene and benefit a lot from it. The book includes a lot of design on observation and practice, so the young readers can do it themselves to improve their practical ability. It is a good teacher and helpful friend for the young readers to learn and master scientific knowledge. )