Book excerpt: This authoritative textbook embodies the current standard in molecular testing for practicing pathologists, and residents and fellows in training. The text is organized into eight sections: genetics, inherited cancers, infectious disease, neoplastic hematopathology, solid tumors, HLA typing, identity testing, and laboratory management. Discussion of each diagnostic test includes its clinical significance, available assays, quality control and lab issues, interpretation, and reasons for testing. Coverage extends to HIV, hepatitis, developmental disorders, bioterrorism, warfare organisms, lymphomas, breast cancer and melanoma, forensics, parentage, and much more. Includes 189 illustrations, 45 in full-color. This textbook is a classic in the making and a must-have reference.