As a dark force engulfs the land, the fate of Erdas has fallen on the shoulders of four young strangers who each have forged a rare bond with their spirit beasts--a bond that gives great powers to all of them.

"Conor, Abeke, Meilin, and Rollan are prisoners. Framed for a crime they didn't commit, the four young Greencloaks have been captured by the ruthless Oathbound. Rather than facing trial with the rest of their order, the friends and their spirit animals find themselves smuggled to a remote palace. There they discover that the plot against them runs deeper -- and is far more sinister -- than anyone realized. Someone has been manipulating both the Greencloaks...

Conor, Abeke, Meilin, and Rollan, supported by their spirit animals, follow a lead in the cold North only to arrive in a deceptively beautiful village where everything is not as it seems.

Framed for a crime they didn't commit, four fugitives travel the deserts of Nilo looking for a secret library that houses the wisdom of Erdas and is guarded by their old friends.

Continues the adventures of Conor, Abeke, Meilin, and Rollan and their spirit animals as they continue their efforts to protect Erdas from dark forces.

Two years after having survived a plane crash into the Canadian wilderness, a sixteen-year-old returns to the wild to befriend a wounded dog and hunt a rogue bear.

A new threat -- something ancient and evil -- faces the world of Erdas and four young heroes and their spirit animals are determined to stop it as they embark on a desperate journey that takes them deep underground and to the far corners of the world.

With some convinced the Greencloaks are to blame for recent destruction, Conor, Abeke, Meilin, and Rollan find themselves on trial and later on the run when a Greencloak attacks the council of world leaders from within its ranks.

After Tova Sullivan's husband died, she began working the night shift at the Sowell Bay Aquarium, mopping floors and tidying up. Keeping busy has always helped her cope, which she's been doing since her eighteen-year-old son, Erik, mysteriously vanished on a boat in Puget Sound over thirty years ago. Tova becomes acquainted with curmudgeonly Marcellus, a giant Pacific octopus living at the aquarium. Marcellus knows more than anyone can imagine but...

Conor, Abeke, Meilin, and Rollan have journeyed across Erdas, racing to stop a merciless foe. Now that journey is about to end. They must reach a place forgotten by time and face off against an ancient enemy breaking free from his prison. They have just one chance to stop him -- or the whole world will shatter.