Enter a clue or pattern or both:
The ClueAuthoritative work (5 letter answer)
NotesThe answer BIBLE is seen occasionally, appearing about once every 850 puzzles.
The Good Book
Kind of Belt
Daily reading for a pope
Oath taker's aid
Perennial best seller
Perennial best seller, with "the"
Standby for W. J. Bryan
Book that might contain birth records
DefinitionBIBLE as a noun:
1. (Bible, Christian Bible, Book, Good Book, Holy Scripture, Holy Writ, Scripture, Word of God, Word) = the sacred writings of the Christian religions; "he went to carry the Word to the heathen"
2. a book regarded as authoritative in its field