"The approach descibed in this book has given many students and proffesionals the skills and self-confidence to reduce the time and aggravation that go into writing and to improve dramatically the effectiveness of the finished product. " from preface.
I took his class as part of a graduate program at Drexel back around 1987. Excellent Instructor and class. This book now seems outdated, but I learned so much from his class and I still use what I learned there.