Title: Grammar success in 20 minutes a day
Description: Writing and speaking without mistakes becomes much easier -- and all it takes is 20 minutes a day!  Thorough and concise, Grammar Success in 20 Minutes a Day covers all the essentials, including common and proper nouns; personal, reflexive, and demonstrative pronouns; regular and irregular verbs; adjectives, adverbs, misplaced modifiers, prepositions, subordinate and insubordinate clauses; coordinating and correlating conjunctions; compound sentences; and punctuation.  --Publisher's description.
Subjects: Problems, exercises, Grammar, English language