This slender volume, the revised edition of Dr. Critchley's 1964 book called Developmental Dyslexia, deserves a place in the library of every neurologist who intends to examine children with learning problems. The bibliography alone, certainly one of the most complete in this field, would be sufficient reason to own this book.
The most important contribution of the present volume is to clearly place the problem of dyslexia back in the neurological sphere of influence. Dr. Critchley argues, not only with evidence, but with some passion, for the point of view that there are some children whose difficulty in reading is neither the product of poor intellectual endowment nor of environmental or emotional deprivations or difficulties, and it is in splitting off this group from the larger population of retarded readers that he feels the neurologist must become involved. He places this kind of reading problem squarely in an "aphasiological