Swaab assumed oversight of the project as series editors and then arranged for the ninth volume in the third series to be a comprehensive description of central nervous system malformations. The book consists of 33 chapters divided into 4 sections. There are 644 pages of text and 28 pages of color plates. Sarnat coauthors the first chapter on ''revised classification,'' detailing the approach that he helped pioneer of nervous system embryology based upon molecular biology principles. Subsequent chapters in the first section document various midline hypoplasias, segmentation disorders, hamartomatous disorders, defects of neuronal migration, aberrant neural crest induction of non-neural tissues, and vascular dysgeneses. Associated epilepsy, neuromuscular disorders, neuroendocrine abnormalities, chromosomal defects, and metabolic diseases are covered in chapters in section 2. Imaging, neurophysiological investigation, and genetic testing are elucidated in section 3. Treatment is an important area that is too often ignored in discussions of nervous system malformations; fortunately, Sarnat and Curatolo devote an entire section (70 pages in section 4) to medical, surgical, neurorehabilitative, and educational therapies.This book is an excellent reference work detailing the current understanding of normal and abnormal nervous system development. Although there are many excellent