contents chapter 1 : the mysterious sinkhole chapter 2 : the laboratory chapter 3 : on the prowl chapter 4 : the chase chapter 5 : operation gaul chapter 6 : project rainbow chapter 7 : liber abaci chapter 8 : tachyons chapter 9 : qarahunge chapter 10 : cahokia chapter 11 : temple of the inscriptions chapter 12 : the chosen chapter 13 : amaru muru acknowledgments about the author other books by robert guerrera chapter 1 : the mysterious sinkhole munch , munchthe twins were devouring candy they had collected the night after halloween .