After Mallory is kidnapped at her fencing meet, Jared and Simon search for her near an old quarry and find themselves amidst dwarves and goblins.

While exploring the caves around Dragon's Mouth Cavern, a series of unusual and somewhat frightening events convinces the Alden children that someone does not want them around.

Sophie Mouse and her friends are playing hide-and-seek near Butterfly Brook. Sophie finds the perfect hiding spot, but she finds something else, too! It s a glowing cave. The problem is, when Sophie tells her friends about her discovery, they don t believe her! After all, who s ever heard of a cave that glows? Now Sophie is on a mission to prove she s telling the truth!