The spleen is an organ which has diverse functions including immunologic and hematologic. The Atlas of Spleen Pathology describes and selectively illustrates the normal and pathologic conditions that afflict the spleen. This extraordinary collection of high quality digital images will materially aid in continuing efforts to recognize, understand, and accurately interpret the gross and light microscopic findings in spleens. From the reviews: “This is a color atlas describing normal, neoplastic, and non-neoplastic spleen pathology. … The purpose is to provide high quality illustrations and descriptions of spleen pathology to aid in recognizing, understanding, and accurately diagnosing spleen pathology. … This is a good reference for practicing pathologists as well as pathology residents. … This is a great companion or quick reference for quality images of spleen pathology. … Overall, it is a much-needed guide with quality images of an otherwise rare pathological specimen.” (Bryn Haws, Doody’s Reviews, March, 2013) The spleen is an organ which has diverse functions including immunologic and hematologic. The Atlas of Spleen Pathology describes and selectively illustrates the normal and pathologic conditions that afflict the spleen. This extraordinary collection of high quality digital images will materially aid in continuing efforts to recognize, understand, and accurately interpret the gross and light microscopic findings in spleens. Dennis P. O’Malley, MD Clarinet Pathology Services, Aliso Viejo, CA, USA