This series is divided into ten volumes: ocean, aerospace, environment, transportation, military, energy, life, biology, information and universe. Five thousand words are included. The knowledge involved is broad and subtle. It includes: from super volcano, giant tsunami, deep sea squid, smart swordfish......to the core storm, ice age mystery, animal emotion, plant wisdom......; from landing on Mars, visiting mercury, to crossing the polar region, diving into the deep sea......This is a wonderful exploration of nature and society. It is a sincere dialogue between every young friend who loves science and nature. It will make young friends consciously realize that on this beautiful planet, human beings should not regard themselves as masters, but should coexist harmoniously with all living beings. When man and nature truly achieve perfect integration, this beautiful planet is perfect and eternal.

This series is divided into ten volumes: ocean, aerospace, environment, transportation, military, energy, life, biology, information and universe. Five thousand words are included. The knowledge involved is broad and subtle. It includes: from super volcano, giant tsunami, deep sea squid, smart swordfish......to the core storm, ice age mystery, animal emotion, plant wisdom......; from landing on Mars, visiting mercury, to crossing the polar region, diving into the deep sea......This is a wonderful exploration of nature and society. It is a sincere dialogue between every young friend who loves science and nature. It will make young friends consciously realize that on this beautiful planet, human beings should not regard themselves as masters, but should coexist harmoniously with all living beings. When man and nature truly achieve perfect integration, this beautiful planet is perfect and eternal.