Everyone loves Sky Fletcher, except the one who owns her heart. Can she break through his defenses? Will there be time?When Sky and the others are needed in South America, they discover an evil alien zeroing in on her friend Jewel, putting her in danger of losing herself, the people she loves, and her world. How can they stop him? In their search for answers, the teens find unlikely allies as strange as the interplanetary races they've already encountered. Will their combined efforts be enough to rescue Jewel from a fate that would doom the planet to self-destruct? In this exciting sequel to Triton's Call, more prophecies are revealed, but if even one of the four is unable to help, all hope is lost. Readers who love Pittacus Lore's The Lorien Series and Rick Yancey's The 5th Wave series will enjoy P.T.L. Perrin's action/adventure scifi Tetrasphere series. Get Voice of Viracocha today for more of the adventure started in Terra's Call and continued in Triton's Call.TEEN-YA SCIFI-ADVENTURE