The Water Knife, written by Paolo Bacigalupi, is a science fiction novel set in a future where water scarcity has become a major issue. The story follows the protagonist, Angel Velasquez, a 'water knife' who works to secure water rights for his employer. Bacigalupi's gripping narrative and exploration of bioengineering's role in addressing water scarcity make The Water Knife a compelling read. The book raises important questions about the intersection of bioengineering, environmental issues, and social inequality.