Houghton Mifflin 1020842 Webster-Feets New Essential Reference Three-Book Desk Set, Paperback (HOU1020842) Features three handy-size reference books. Dictionary has 60,000 definitions. Thesaurus has 35,000 synonyms. Includes New Essential Writer's Companion, a 298-page style guide to assist you with any written communication. Slipcase keeps books organized.