Ping. Ping. The sound of texting is in the air. Everyone at middle school has a cell phone. Baby mouse just has to get one, too. But having a phone is a lot of work. Building up a following on So Famous, learning text lingo, keeping up with all the important koala videos . Baby mouse is ready to tear her whiskers out. Why does it suddenly feel like she has no friends. Somehow, Baby mouse needs to figure out how to stop worrying and love her smartphone . if Locker doesn't eat it first. #Typical.