I’ve heard so many wonderful things about Will McIntosh’s adult novels (Love Minus Eighty and Defenders) but this is the first book of his I’ve read. In his YA debut, McIntosh has come up with a truly awesome idea and built an exciting and engaging story around it, with well-drawn and sympathetic characters. Much of the story revolves around the mystery of the marble-sized spheres that suddenly appeared all over the world, hidden in nooks and crannies, and when the author finally reveals their purpose, well, get ready to have your mind blown! I think the word “outrageous” would not be out-of-place when describing this story, and I mean outrageous in the best possible way. The story takes place five years after the spheres appeared, and in that time a booming economy has grown around them. Different colored spheres will give the lucky owner special abilities when they “burn” two of the same color by holding them up to their temples. For example, Rose gives you the ability to hold your breath, while Lemon Yellow will make you grow an inch. There are literally dozens of colors and special abilities, and you can either find spheres “in the wild” (spheres…