The cars race in a cave.

Mia and Deshawn are not excited by a surprise stop at Maximum Caverns during a family vacation, but when their guide, Raven, is injured, the siblings must navigate an advanced route and summon help. Includes glossary, discussion questions, writing prompts, and information about spelunking.

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!