caves

Barbara Hurd chronicles the experiences she has had while exploring caves around the world and traces the natural histories of some of the world's most famous caves.

The author describes his experiences as a member of several scientific expeditions in search of never-before-seen, underground life-forms, and discusses the debates that have arisen in the scientific community over some of the discoveries.

Provides a basic introduction to caves, including geographical information and plant and animal life.

Looks at the different animals and insects that use caves as homes and hiding places, and examines some of the features of caves.

Burned by her own government in a trumped-up scandal, Hallie Leland said she would never return to the world of espionage and its dangerous secrets. But she is unable to resist a shocking summons from the White House. A mysterious epidemic is killing American soldiers overseas and is posed for an outbreak in the United States. The only organism that works as an antidote can be found in only one cave in Mexico. Can Hallie survive drug cartels, federal agents and the normal terrors of caving such as flooded tunnels, chasms, and mind-warping blackness?.

Tells what caves are like and what precautions must be taken when exploring them.

Attending a class trip to Ravensburg Caverns, where a century earlier a group of kids went missing and were never found, Kristi and Olivia stumble upon the same trap and realize that their worst nightmares are coming true.

An introduction to caves, discussing types of caves, cave features, animals and plants that live in caves, and more.

A ransom note received at Dragon Slayers' Academy sends Wiglaf and Angus to the rescue of the supposed victims.