Harper's Illustrated Biochemistry is a renowned textbook in the field of biochemistry, now in its 31st edition. The book provides a comprehensive and detailed introduction to the principles of biochemistry, covering various aspects of the subject, including the structure and function of biomolecules, metabolic pathways, and molecular biology.

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The review rating is based on the book's content, illustrations, and clinical correlations. However, the rating is reduced due to the dense and lengthy nature of the book, which may deter some readers.