Sturdy board book editions of the bestselling Where Do Diggers Sleep at Night?, Where Do Steam Trains Sleep at Night?, and Where Do Jet Planes Sleep at Night? are now available in a gifty three-book boxed set! Sleepy fans of trucks, trains, and planes can now spend bedtime with all their favorite vehicles! These bestselling board books are packaged in a perfectly giftable box that is sure to be a crowd-pleaser at baby showers, birthday parties, and holiday celebrations!