When a rainstorm prevents Nancy and her best friend, Robert, from getting to the planetarium the night of a class field trip, she has a brilliant idea for making things better.

When Jet's pet Sunspot goes missing, Jet and his Earth friends use the North Star to navigate their way to find him

While researching black holes for Ack's homework report, the brothers get sucked into one and end up in a scary universe.

"Georgia Rosenbloom's father was a famous artist. His most well-known paintings were a series of asterisms--patterns of stars--that he created. One represented a bird, one himself, and one Georgia's mother. There was supposed to be a fourth asterism, but Georgia's father died before he could paint it. Georgia's mother and her best friend, Theo, are certain that the last asterism would've been of Georgia, but Georgia isn't so sure. She isn't sure about...