The Accidental Diary of B.U.G.: Sister ActThe third hilarious diary of Billie Upton Green by superstar author illustrator Jen Carney There's an exciting addition to the Upton Green family (and it's not whatever Mr Paws has left on the living room carpet). But getting a new little sister isn't nearly as straightforward as Billie expects. Why are there so many rules? It's been weeks and weeks, and she still hasn't been able to hold the baby up at Show & Tell. Luckily, the school musical is in