Hematology or haematology is the branch of medicine concerned with the nature, function, and diseases of the blood. It covers the cellular and serum composition of blood, the coagulation process, blood-cell formation, hemoglobin synthesis, and disorders of all these.
Clinical Hematology Atlas (by Carr)
Williams Hematology, Seventh Edition (by Lichtman, Beutler)
Essential Haematology (by Hoffbrand)
Clinical Hematology and Fundamentals of Hemostasis (by Harmening)
Blood Cells: A Practical Guide (by Barbara Bain)