Mr. Harrison is the tech guy at Ella Mentry School and when the power goes out and everyone is yelling and freaking out in the dark, can they count on him to save the day?

Zack loves everything about his new planet, Nebulon, until there is a complete cosmic blackout and he must try to function without his Indoor Robotic Assistant and hyperphone.

The Lockwood brothers are supposed to be able to survive anything. Their dad, a hardcore believer in self-reliance, has stockpiled enough food and water at their isolated Nevada home to last for months. But when they are robbed at gunpoint during a massive blackout while their dad is out of town, John and Stew must walk many miles in the stark desert sun to get help, and they have only three days before their time runs out.