The books of the My Body series are the work of the Japanese author and illustrator of picture books Gen-ichiro Yagyu. The author's creative method determines the success of the series and its uniqueness: simple explanations of complex processes occurring in the human body, noncyclopedic presentation of facts about anatomy and physiology, and looking at the matters of the human body from the perspective of a child. In each volume of the series we can find a lot of funny conversations of children, a record of their authentic questions and sincere cares captured in simple and expressive drawings. Naturalness, unpretentiousness, authenticity and humor are inherent features of Gen-ichiro Yagyu's books.

In the seventh volume of the series, the author (together with the children) examines the hair and hair that grows all over the human body. But is it really all over the body? Is hair useful to people at all? Such, for example, fused eyebrows, hair on the nose or in intimate places ...