A string of comically stylised parent-and child animal pairs say good night to each other in masterful couplets -- a chick's "cheep cheep" is answered by a chicken's "cluck cluck;" a puppy's "ruff ruff" is returned with a dog's "woof woof" --all leading up to the "Good night!" and "Sleept tight!" of a human toddler and dad! This is the second title in a brand-new board book series on animal [and human] first words by award-winning author/illustrator, Ethan Long.