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.

Text and labeled illustrations describe the formation and physical features of various kinds of caves, with a brief section on spelunking.

"As Tom and Elenna navigate the horrid terrain of Gorgonia, they quickly realize that nothing is what it seems to be. Each step brings them to another dangerous encounter. But Tom won't give up. Not when Epos the Winged Flame is being held captive somewhere in the Dark Realm and Malvel has created a wicket winged Beast of his own. With the help of his friends, Tom is determined to chase down the evil wizard and return all of the good Beasts back to...

Deep underground is a fascinating world of caverns filled with crystal formations, secret lakes, and hidden creatures. This book answers young readers' questions about how caves form and what mysteries they hold.

Introduces caves, describing how they are formed, where they are found, and the unusual creatures that live in them, with examples of some the world's most famous caves.

In the caves of Avantia lurks Arachnid the Spider King. Massive and terrifying, Arachnid preys on the local townspeople and guards a piece of the magical golden armor. Can Tom defeat the Beast and save the kingdom from destruction?

Explore caves' layers from the dim entrance zone to the damp dark zone. Learn how life survives in caves' inhospitable conditions and how caves' spectacular structures form. Additional features include a diagram labeling each of the layers, Fast Facts, a phonetic glossary, an index, an introduction to the author, and further sources for learning. Discover the wonders of the world layer by layer. Looking at Layers explores down beneath Earth's surface,...

Text and photographs examine various aspects of these natural wonders including their formations, animals, prehistoric cave dwellers, and modern exploration.

"Sheltering in a cavern, Chirri and Chirra enjoy sweet treats, a game of marbles, soaking in a hot spring, and a comfortable rest in an igloo that is just the right size." --