Breadcrumb Home > Thesaurus > I Cite Synonyms of instruction book Find synonyms for: Noun1. instruction book, reference book, reference, reference work, book of factsusage: a book of directions for using or operating some piece of equipmentWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. TrendingHere are the facts and trivia that people are buzzing about. February 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: picayune Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language