/ Dictionary / Index B Book of Books: Meaning and Definition of Find definitions for: Book' of Books' Pronunciation: [key] the Bible. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. book of account Book of Changes* Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language