The Merriam-Webster Vocabulary Builder allows you to enjoy informative and entertaining discussions of English words derived from Greek and Latin roots--and expand your working vocabulary at the same time。 Words that share the same root are grouped for easy study。 Quizzes let you test how much you ve learned。 Authors: Mary W。 Cornog, Merriam-Webster Format: Paperback, 712 pages Publisher: Merriam-Webster ISBN: 9780877798552