Mercer Mayer"s Little Critter is invited to spend the night at a friend"s house—but will he be able to sleep in a strange place? This full-color Step 2 reader book will help young children ages 4-7 deal with their first time away from home. Little Critter goes to visit a friend where someone in funny clothes opens the door, the napkins are folded to look like hats, and the bedroom is very dark.