Little Critter takes his energetic little sister to the park for an exhausting day. In this installment, to once more prove how good of a big brother Little Critter is, he offers to take little sister to the park when Mom is too busy to do it herself. Even though she has a few problems when they get there, Little Critter is more than happy to show her the ropes. Mercer Mayer's Little Critter stories, which address all the major issues of growing up, are perennial favorites for generations of readers, both young and old!