Strange World:The Hidden Heart

Five years have passed since the Clades saved Pando. Avalonia is thriving. Ethan Clade and Diazo have become respected explorers and researchers, spending their days studying Pando's ever-changing ecosystem. They now live together in a cozy home near the edge of Avalonia and are only a few months away from their wedding. Searcher and Meridian couldn't be happier for them, while Jaeger constantly jokes that Ethan should be focusing on surviving marriage instead of dangerous expeditions. But strange things begin happening across Pando. Plants stop glowing. Entire ecosystems fall silent. Creatures begin migrating toward unknown regions. Then a mysterious pulse shakes the entire world. Hidden somewhere deep within Pando lies a secret organ known as the Hidden Heart, the source of balance for the creature's entire body. When the Heart begins failing, Ethan and Diazo lead an expedition to help