"From the editor-in-chief of io9.com, a stunning novel about the end of the world--and the beginning of our futureChildhood friends Patricia Delfine and Laurence Armstead didn't expect to see each other again, after parting ways under mysterious circumstances during middle school. After all, the development of magical powers and the invention of a two-second time machine could hardly fail to alarm one's peers and families. But now they're both adults,...