Book excerpt: A classic Little Critter book perfect for Mother's Day! Mercer Mayer’s Little Critter is off to the grocery store with his mom and siblings in this classic, funny, and heartwarming book. Whether he wants to push the cart, pick the best apples, or get his sister out of the candy aisle, both parents and children alike will relate to this beloved story. A perfect way to teach kids about being on their best behavior!