The book consists of more than 40 stories, which are records of the different contents of Nguyen Lan Dung about the people he loves and respects, the lands he has visited and events and phenomena occurring in life.

In addition, the book also covers his perspective, feeling, and evaluation about the problems, events, phenomena in life such as "contaminated food", "tobacco and covid", "mutated orchid", etc.

Each issue is not simply recorded, but is presented with the perspective of a scientist, helping readers better understand their harmful effects on health and life.