It is the definitive text on the subject and Moss simply rehashes his obervations, wiithout his depth. (religion.blogs.cnn.com)
There were at least seven traditions of recitation and various written versions in circulation when the Caliph Uthman (576 — 656 AD) issued a definitive text and had all others destroyed. (faith.org.uk)
The book was the first of its kind and remains the definitive text on the subject and an invaluable manual for the diagnosis and treatment of Tongue tie or Ankyloglossia. (tonguetie.net)