books.google.com - When big ships get to the harbor, they need me! 'Cause I'm MIGHTY! And I can nudge, bump, butt, shove, ram, push, and pull 'em in. You think this tug's too small to pull in ships twenty times his size? Think again! This guy is 100% MIGHTY! Kate and Jim McMullan's follow-up to the multi-award-winning...https://books.google.com/books/about/I_m_Mighty.html?id=7qSqMc6Dm6UC&utm_source=gb-gplus-shareI'm Mighty!