<b>From Graham Brown, co-author of <b>the <i>New York Times</i> bestselling thriller</b> <i>Devil's Gate</i> with Clive Cussler, comes <i>Black Sun</i> . . .</b><br><br>In the heart of the Amazon, NRI operative Danielle Laidlaw makes an incredible discovery: a translucent Mayan stone generating massive waves of energy while counting down toward the infamous apocalyptic date: December 21, 2012. And somewhere, there are three more just like it.<br><br>What power will be unleashed if all four stones come together? Who created them—and who has them now? Using a cryptic Mayan map and a prophecy that points to the end of the world, Danielle and her team race toward answers. But one staggering question remains: Were these artifacts meant to save us—or to destroy us once and for all?