Gatehouse: The Door to Canellin

Wes is a teenager, with teenage troubles, who feels as if his world is crashing down around him. But when he discovers the house in the woods that wasn't there before, he finds himself thrust into Canellin, a world of dragons, monsters, magic, and mayhem. What's more, he discovers that his own unique talents may be the key to Canellin's salvation, and his own. Unfortunately, his only way home is halfway around the known world, in the lands controlled by an evil dragon bent on the eradication of all human life! 
Wes' father, however, has his own plan: find his wayward son, and bring him home safely no matter the cost!