Smart notebook style is three-hole punched to fit into a binder for easy access. Authoritative and up-to-date it features 50000 synonyms and antonyms. Easy-to-read page design and simple-to-use alphabetical organization. Also includes a brief history of the English language. Reference Book Type: Thesaurus Subjects: N/A Age Recommendation: N/A Language(s): English.Unit of Measure : Each