The Infinite Lives of Maisie Day (Broché)

It's Maisie's birthday. She's hoping for the things she needs to build her own nuclear reactor. But the house is empty and outside the front door is nothing but a dense, terrifying blackness. Trapped in an ever-shifting reality, Maisie will have to rely on the laws of the universe and the love of her family to save her. And even that might not be enough...