A Mercer Mayer Little Critter book featuring 2 classic stories in 1 a fun way to get children ready for naps and bedtime! Make bedtime (and naptime!) more fun with Mercer Mayer's Little Critter and his Little Sister! This humorous storybook for girls and boys ages 3 to 7 features two classic stories: - Just Go to Bed Mercer Mayer's Little Critter is not looking forward to bedtime in this heartwarming classic storybook. Instead of taking a bath, he would rather be a cowboy. Instead of putting on ...