Advances in Anatomy, Embryology and Cell Biology

whose lengths vary with the amount of information available under each chap- ter heading and in this respect the book is well proportioned.One page on the radiology of the condition is entirely suffiicent, as are two pages on its psy- chology.By contrast, some 46 pages are devoted to a detailed morphological study of the muscle and peripheral nerve.They cover the history, clinical features, a tentative classification based on the author's experience, morphology, electrophysiology, radiology, psychology, biochemistry, immunology, and so forth.This book summarises very adequately and comprehensively the profusion of recent reports on the spinal muscular atrophies, and it has not suffered in translation.I consider it essential read- ing for all who are interested in this group of conditions J. P.