We recommend that you get a book with good illustrations for personal use and use the comprehensive reference books as needed from the MRC.
Please do not use Boron, W. & Boulpaep, E. Medical Physiology: A Cellular and Molecular Approach (from the Cell and Molecular Biology resource list) as a primary biochemistry resource--it may not be appropriate for specific topics.
Stanford Pathways of Human Metabolism is an overview of human metabolism. While not exhaustive, the content was selected to illustrate key metabolic pathways and their interrelationships, including metabolites, enzymes, and cofactors that underlie human health and disease.