Did you ever notice that Little Critter is rarely alone in his adventures? On almost every page of the Little Critter books, there’s a tiny spider or a little mouse hanging around, usually just watching whatever mischief or fun is happening. These little critters-within-a-critter are like Little Critter’s silent sidekicks, always along for the ride, whether he’s trying to help Mom, learning new skills, or just getting into a bit of harmless trouble. Kids love the challenge of spotting them, and