Something ancient and evil has awoken from beneath the world of Erdas. Shrouded in shadow and older than memory, just a sliver of its power can destroy with a touch. Even the spirit animal bond, the sacred link between humans and animals that keeps Erdas in balance, is under threat.

A new threat faces the world of Erdas in this continuation of the New York Times best-selling series. Confidential until May 2016!

The four heroes of Erdas are fugitives on the run in this new chapter of the New York Times best-selling series! Confidential until May 2018!

The world of Erdas will be changed forever. Conor, Abeke, Meilin, and Rollan were once ordinary kids. Then they discovered that they had spirit animals - wise and powerful partners who granted them with amazing gifts...and a legendary responsibility. Together the team has journeyed across Erdas, racing to stop a merciless foe. They have laughed and fought together. They've won challenges and lost friends. Some have even lost themselves.

The four heroes of Erdas are fugitives on the run in this new chapter of the New York Times best-selling series!

The adventure continues in this sixth book in the New York Times best-selling series.

The four heroes of Erdas are fugitives on the run in this new chapter of the New York Times best-selling series! Confidential until October 2017!

The sun is shining in the Hundred Isles, and yet the path forward seems crowded with shadows. Conor, Abeke, Meilin, and Rollan have traveled across the world, seeking a set of powerful talismans in order to keep them from enemy hands. Throughout their journey the young heroes have been hounded by pursuers who always seem to know just where to find them. Now they know why…

Strange things are happening at the frozen edge of the world. Conor, Abeke, Meilin, and Rollan have crisscrossed Erdas in their quest to stop the ruthless Conquerors. Only the four of them, supported by the gifts of their legendary spirit animals, have the power to defeat an evil takeover. While chasing down a lead in the cold North, the heroes arrive at a quiet village where not everything is as it seems. Rooting the truth out of this deceptively beautiful place won't be easy - and the team is already out of time. The Conquerors are right behind them.

The adventure continues in this third book of the epic multiplatform fantasy series. Erdas is a land of balance. A rare link, the spirit animal bond, bridges the human and animal worlds. Conor, Abeke, Meilin, and Rollan each have this gift-and the grave responsibility that comes with it. But the Conquerors are trying to destroy this balance. They're swallowing whole cities in their rush for power - including Meilin's home.