The #1 New York Times bestseller now available in board book! An unabridged board book version of the bestselling, best-beloved hardcover, perfect for small hands! Even the roughest, toughest readers will want to turn off their engines, rest their wheels, and drift to sleep with this sweet and soothing story. Vibrant illustrations and gentle rhyming text make this a surefire bedtime favorite for truck-crazy kids everywhere.