An action-packed, mythological chapter book series from Tony Abbott! The underworlds are rising -- and no one is safe.Loki is waging war, and Pinewood Bluffs is about to become his battlefield. Owen, Dana, Jon, and Sydney know they have to stop him. They'll do whatever it takes.But when they stow away in Loki's sledge and emerge in a new, mysterious underworld they know nothing about, things get complicated. The Babylonian underworld is dark as night and full of vicious monsters, including the dreaded Scorpion King. Will Owen and his friends ever make it back to Pinewood Bluffs?

Resolving to stop the Norse trickster Loki from invading Pinewood Bluffs with his army of monsters, Owen, Dana, Jon and Sydney stow away on Loki's sledge and find themselves in an underworld, where they face complicated challenges.

An action-packed, mythological chapter book series from Tony Abbott! There's something lurking under Owen's school. . . .Owen Brown is your average fourth grader. Or he was, until his best friend, Dana, disappeared. Right in front of his face. Through the floor of the school.Owen's average life has turned upside down.He's determined to find Dana -- before anyone realizes she's missing. Owen sets out on a mysterious, mythological rescue mission with his friends Jon and Sydney. But what none of them know is that Dana's disappearance is part of a much larger riddle.And they're at the center of it.

The good Beasts of Avantia have been imprisoned in the kingdom of Malvel the evil wizard. Tom has already fought five terrible Beasts and is nearing the end of his Quest. But in order to achieve victory, Tom must navigate through the tunnels under Malvel's castle, where Sting the Scorpion Man is waiting.

A hidden door. A magical staircase. Discover the world of Droon! There's no place like home! Eric and his friends have finally restored the Rainbow Stairs, but that was the easy part. Now Gethwing is loose in the Upper World, and the Moon Dragon is causing big trouble. Eric, Julie, and Neal have to protect their town, but they're up against mysterious creatures, strangely-behaving parents, and powerful magic. Can the kids stop Gethwing before he destroys the Upper World -- for good?