1, "God's Flea": written by Wang Zhe, the book is divided into four chapters, focusing on the great influence of four highly toxic microorganisms: Yersinia pestis, smallpox virus, influenza virus and AIDS virus on history;

2. Life Gossip: Author Yuan Yue, once he finds a topic of interest, he uses all reliable search engines to find all valuable materials and tells readers new scientific knowledge through interesting and easy-to-understand stories;

3. "White robe": The author Allen Rothman, a first-year student who knows nothing about "white robe plus body", experienced different learning stages and mental processes of excitement, pride, depression and even regret, and finally became a doctor after graduation, and realized the significance of this white robe;

4. The Essence of Doctors