A stranger to Dragons' Realm has entered through a world gate. A power-hungry stranger, intent on violence and destruction .Commander Zens comes from a complex world with technology far greater than that in Dragons' Realm. His armies of cloned tharuks raze villages, slaughtering folk and enslaving survivors. Even the Riders of Fire - dragon riders who protect the realm - are unable to stem the tide of Zens' destruction.As the death toll mounts, Tonio becomes spymaster. He vows to defeat Zens. Full of courage, intelligence and a steel will, Tonio comes up with a clever plan.He never suspects the devastating price he'll have to pay.Join Tonio on dragon back and fight the rising tide of evil sweeping across Dragons' Realm.If you like Eragon, Dragon Riders of Pern or Dragon School, you'll love flying with Riders of Fire Dragon Masters.