Nicola Barber

"In the world of Erdas, every child must discover if they will summon a spirit animal, a rare and incredible gift. Conor, Abeke, Meilin, and Rollan were rare even among those few. They summoned four animals who were once Great Beasts, immortal guardians who sacrificed everything to end a brutal war. Now, in the wake of that sacrifice, more special children are appearing all across Erdas who are connected to these legendary beings. But something else...

"Split between two worlds, Conor, Abeke, Meilin, and Rollan are four young heroes who are racing to stop an ancient evil. Even the spirit animal bond, the sacred link between humans and animals, is on the brink of destruction. The friends face an enemy with the power to enslave others to its will -- and to steal spirit animals away from their rightful partners. With their own allies falling to this darkness, the four must look to their bonds to light...

"When Clara Stahlbaum receives a beautiful yet mysterious egg-shaped box from her late mother, she wonders what it means. Searching for answers, Clara soon finds herself in a magical world -- the Four Realms -- where she meets a host of colorful and curious new friends and discovers the fascinating link between the Realms and her dear mother. But when she learns that the Realms are in danger of being destroyed, Clara vows to help. Years earlier, Clara's...