Testing week at school is coming, and Stella the Mouse, Nico the Toad, Delilah the Spider and Bo the Parakeet are stressed out. Everyone wants to do well. They know their brains are ready, but they're so nervous anyway, all jitters and tummy aches! Find out how the animal friends calm their nerves in this relatable early-chapter book from the Classroom Critters series. Part of the Classroom Critters series.