ch. 1. Introduction -- ch. 2. Determinants of red blood cell aggregation -- ch. 3. Mechanism of red blood cell aggregation -- ch. 4. Measurement of red blood cell aggregation -- ch. 5. Effect of red blood cell aggregation on in Vitro blood rheology -- ch. 6. Effect of red blood cell aggregation on tube flow -- ch. 7. In Vivo hemodynamics and red blood cell aggregation -- ch. 8. Alterations in red blood cell aggregation -- ch. 9. Comparative aspects of red blood cell aggregation.