Goofy superlatives are showcased in this book from Barrett, some clever, some slightly mawkish, all shaped by a particular brand of humor that will either work for readers or leave them flat. For example: ""The quietest thing in the world is a worm chewing peanut butter"" has the ring of inspiration to it, whereas ""the silliest thing in the world is a chicken in a frog costume"" won't tickle everyone's funny bone. ""The heaviest thing in the world is a Tyrannosaurus rex weighing itself"" is just plain confusing, as is the art that accompanies the ""teensie-weensiest"" thing--a newborn flea; when scaled against the watchband in Nickle's vibrant illustration, the flea is not so small, and its mother is enormous. The least successful statements are those that run to nonsense; the most successful are the ones based in a grain of truth: Most readers will agree with the poetic notion that the ""the highest thing in the world is the very top of the sky.