What is a virus? When was the virus first discovered by humans? Viruses and what effect their spread has had on human history? This book has a unique perspective and is very entertaining. Little science fans aged 7-12 who are curious about the world and life can follow scientists into the Virus World with many secrets. Hoping this interesting book can help you open a small door to the world of science.

Shi Jun, a doctor of botany, a member of Orchid Council, a member of Chinese Popular Science Writers’Association, graduated from Botany Institute of Chinese Academy of Sciences, is now majoring thepropagation and protection of orchids, a planner of Children Library of Popular Science as well.