A ghost who is unable to move on until his surviving twin is at peace visits his hometown to solve the mystery behind his death and heal the breach his loss has triggered in his parents' marriage.

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...

Eric and his friends must rescue their parents and other adults in their hometown from Gethwing, the moon dragon.

Eric and his friends must use Queen Zara's chariot to rescue a wizard who is trapped on Droon's moon.

A visitor from the future has returned to Droon. Her name is Salamandra, and she is a sorceress, and an old foe. Yet Salamandra says she wants to help the kids. Eric, Julie, Neal, and Keeah will do anything to prevent this vision from becoming a reality. But can Salamandra be trusted? Or are the kids playing right into the sorceress's hands?

Eric and his friends learn that Zorfendorf Castle holds a secret which they must prevent from falling into the hands of Emperor Ko. Eric and his friends learn that Zorfendorf Castle holds a secret which they must prevent from falling into the hands of Emperor Ko. There's only one passage between the Upper World and Droon, the magical rainbow staircase. At least, that's what Eric and his friends have always believed. But now Ko and his beasts are...

Neal, Julie, and Keeah need the famous Ruby Wand to free the wizard Galen, but the wand is held by Anga, the wily king of the weasles and he will do anything to keep it.

The ground in Grover's Mill starts to shake and large Tiki men appear. The Tiki men are popping up all over town. How can the kids in Grover's Mill battle the evil forces?

Eric and his friends must pursue the Snitchers back to their hideaway to look for the mysterious treasure. But they are not alone!

"The Goofballs are lucky they are expert detectives when their school talent show becomes a whirlwind of mysterious events!"--