After sixty years in the same old place, Mitchell the dinosaur decides it's time to move. His neighbor, Margo, dreams up ways of stopping him. But nothing can hold Mitchell back. Two weeks later, Mitchell's in a new home, but he's not as happy as he thought he'd be. Can he be missing his best friend?

Marjorie Weinman Sharmat?has been called "a shining star as a storyteller" by?Publishers Weekly.?Her many popular books include?I Don't Care?and?What Are We Going to Do About Andrew??for young children;?Griselda's New Year, Mitchell Is Moving?and?Sophie and Gussie?for beginning readers; and several novels for older children. After many years in New York State (one of them at 165 East 95th Street, New York City) she now lives in Tucson, Arizona.Jose Aruego and Ariane Dewey have illustrated many books together -- he draws the outlines and designs the pages; she paints the illustrations. Aruego, a native of the Philippines, was a lawyer before becoming an illustrator, and now lives in New York City. Dewey was born in Chicago and also lives in New York City.