Helps students understand and master key grammar concepts. Includes nine activity books and nine companion posters that address different parts of speech. Each 48-page activity book includes a well-researched set of hands-on lessons and easily understood examples and definitions. Parts of speech includes: Homophones, synonyms and antonyms; compound words; nouns; verbs and adverbs; adjectives; collective nouns; prefixes and suffixes; idioms; and similes. Posters measure 13 3/8" x 19"H.