This book offers an in-depth exploration of blood, a substance that is both a vital component of our physiology and a symbol of life, death, and disease throughout human history. The narrative takes readers on a global journey, delving into the science, culture, and commerce of blood, from the history of bloodletting to the contemporary controversies surrounding blood donation and the blood trade. Through engaging storytelling, the author reveals the complexities of blood as a biological entity and its broader significance in society, touching on topics such as menstruation, bloodborne diseases, and the life-saving role of blood transfusions, while also examining the ethical implications of blood banking and the global inequalities in blood supply and access.

The 9934th greatest book of all time