Join The Secret Knock Club for science fun under the stars! Agnes wants The Secret Knock Club members to be famous! So when she learns that a student in her class has a chance to represent the school at a regional science fair, she thinks it might be their shot at the spotlight. Agnes wants to help her classmate win, but the rest of the club isn’t so sure they should get involved. And when things don’t go quite as expected, she realizes she’ll have to do something really big to apologize. But this time she has the whole Secret Knock Club behind her. They’re about to put on an event that their class will never forget. It’s going to be one outrageous sleep-under!