

This book is a comprehensive guide to the causes and treatment of stammering, a speech disorder that affects millions of people worldwide. The author, Douglas McCallum, was a renowned speech therapist who pioneered new techniques for the treatment of stammering. The book includes...

This book is a comprehensive guide to the causes and treatment of stammering, a speech disorder that affects millions of people worldwide. The author, Douglas McCallum, was a renowned speech therapist who pioneered new techniques for the treatment of stammering. The book includes...