 While the farmer sleeps on the couch close to the fishing tank, Duck and the barnyard animals sneak into the house on a quiet mission that involves "3 buckets piled high" outside the window and "4 chickens standing by".At the end of the book, the reader finds out that Duck's plan was the liberate the farmer's fish.A Publishers Weekly review says, "Though not quite as charming as its abecedarian cousin, this slight volume still offers a comical introduction to numerals one through 10.