The Berenstain Bears discover various construction vehicles in this heavy-duty addition to the classic New York Times bestselling series.Gramps takes Brother, Sister, and Honey around town with Big Jake to learn all about construction vehicles. They see different types of machines workers use at construction sites, farms, and even in the woods. These are certainly no ordinary machines???they are big machines! The Berenstain Bears??? Big Machines is a Level One I Can Read book, which means it's perfect for children learning to sound out words and sentences.