The Changeling by Victor LaValle Spiegel & Grau/ Penguin Random House, $28.00, 431 pages, ISBN 978-0-8129-9594-7 It’s become a tradition. Each October, in observance of All Hallows Eve, the Dia de los Muertos and JDM’s birthday—which is on Halloween—the MBR reviews works of the paranormal, otherworldly and unexplained. The weird, supernatural and bizarre stuff that’s outside of our usual focus on murder, mayhem and mankind’s general savagery. All in