31.   How each of these causes maintenance insomnia is fully explained later in this book.

32.   However, at the time I started the research that led to this book, the present-day literature was skimpy indeed.

33.   I could find only one minor error, which reflects the quality of this book.

34.   I do not claim that this book is in any way a final or even comprehensive analysis of its subject matter.

35.   I had high expectations for this book.

36.   I hope that this book will be a major source of practical advice and assistance and will encourage the return of practitioners.

37.   I hope this book will be of value to both teachers and students.

38.   If I ever get to promote this book on a late-night show, I will do it.

39.   If the chapters in this book were arranged in a different order, would it be a different book or the same?

40.   If this book has a significant weakness, it is simply that it takes three chapters to get into its stride.