Perfect for introductory grammar lessons! What is a verb? Explore language and discover how to identify verbs and their many forms from the imperative mood to active vs. passive voice to verb phrases. \ Heller s... concept book explicates and celebrates verbs of all kinds in ebullient verses which themselves sail and soar.\ --Publishers Weekly \ Graphic play and world play make this an ingenious lesson that no classroom grammarian should miss.\ --The Bulletin of the Center for Children s Books \ Children will find it a painless and concise grammar lesson as well as a visual treat... A boon for language arts teachers as well as for all children and adults who love to play with language.\ --School Library Journal About the Explore! series: Dedicated to helping children learn a variety of nonfiction subjects the Explore series uses pitch-perfect rhyming text and brilliantly illustrated images to make learning fun.