Collins Dictionary and Thesaurus by Collectif
This book includes a general-purpose dictionary and a thesaurus in dictionary form, arranged so that the relevant material from each appears on the same page. Meanings, spelling, pronunciation, usage and a wide range of words and phrases are included. The book includes a 105,000 word dictionary and 325,000 synonyms and antonyms. This gives the user spelling, meaning, grammar and pronunciation, word history and usage notes on the same page.