The Gatekeeper Chronicles Vol. 2: Tournament
Monsters under the bed and mermen in the fishtank are normal around the Gate's house. The Gates are the keepers of the portals of the worlds. Many adventures lie beyond the gates. Currently, the intruder is in our world, and so is a monster! The tournament between the worlds is set to go, but Sophie is gone, Grandpa Eddie has been attacked, and Ed is pursuing a minotaur. What more could go wrong?