#1 New York Times bestseller Brandon Muller launches a brand-new multiplatrform phenomenon. Four children separated by vast distances all undergo the same ritual, watched by cloaked strangers. Four flashes of light erupt, and from them emerge the unmistakable shapes of incredible beasts -- a wolf, a leopard, a panda, a falcon. Suddenly the paths of these children -- and the world -- have been changed forever.

Erdas is a land of balance. The spirit animal bond bridges the human and animal worlds. Conor, Abeke, Meilin, and Rollan each have this gift, and the responsibility that comes with it. But the Conquerors are trying to destroy this balance, swallowing whole cities in their rush for power, including Meilin's home. Ready to fight, Meilin has set off into enemy territory with her spirit animal, a panda name Jhi. Her friends aren't far behind, but they're...

"Deep in the desert there sits a beautiful oasis, ruled by a monarch unlike any other in Erdas. His name is Cabaro, the Great Lion, and he reigns over a kingdom of animals, jealously guarding his golden talisman. No human has ever set foot on the Great Beast's territory. The journey to his oasis is impossible. As a team, Conor, Abeke, Meilin, and Rollan have achieved the impossible before. But now that team is broken--the friends scattered by a devastating...

When an ancient dark force emerges from a centuries-long slumber, Conor, Abeke, Meilin, and Rollan must stop it from sweeping through Erdas and destroying their spirit animals--and the world.

Describes nineteen of the fastest animals on the planet, including the cheetah, the sailfish, the peregrine falcon, and the Panamanian termite.