The Blood Group Antigen FactsBook, winner of a 2013 Highly Commended BMA Medical Book Award for Internal Medicine, has been an essential resource in the hematology, transfusion, and immunogenetics fields since its first publication in the late 1990s. The third edition of The Blood Group Antigen FactsBook has been completely revised, updated, and expanded to cover all 33 blood group systems. It blends scientific background and clinical applications and provides busy researchers and clinicians with at-a-glance information on over 330 blood group antigens, including history and information on terminology, expression, chromosomal assignment, carrier molecular description, functions, molecular bases of antigens and phenotypes, effect of enzymes and chemicals, clinical significance, disease associations, and key references.