The Sixth Edition is a thorough revision of the world's leading reference in neuropathology. Greenfield's is now published in two volumes and has increased in length by almost a third compared to the fifth edition. Its newest and most spectacular feature is a new chapter on tumors comprising almost 300 pages. The editors have collected contributions from an impressive array of experts from around the world. They have radically revised or rewritten chapters, many of which present information not available elsewhere. The revolutionary advancements in molecular biology that are changing the practice of neuropathology fundamentally have been incorporated throughout the text, with an emphasis on their clinical relevance. Over 1000 new color photographs in addition to numerous other illustrations enhance the quality and accessibility of this volume. Finally, the acclaimed features of the core texta clinical summary at the beginning of each chapter, comprehensive coverage of the various disorders, a full index, and an appropriate balance between text and illustrationshave been retained in the new edition.