What are UFOs? Are they real? What do they look like? Explore these questions and read "The Valley of the Zombies," a thrilling story about aliens invading Earth.
Could you jump through fire or pull a truck with just a rope? These and more amazing feats are covered along with a story, "Feat of Endurance," which explores the crazy things some people will do just
Introduces vampire lore and some of the scientific and historical facts behind the legends and includes a fictional story about the search for a vampire.
Introduces plants with unique or unusual features, such as those that eat meat and those that produce poisons, and includes a fictional story featuring carnivorous plants.
Introduces the history of disasters in civilization, both of natural and man-made origin, in a book that includes a fictional account of a town in the path of a volcano.
A look at endangered species and what is being done to protect rare animals is accompanied by a fictional story about Julie, an orangutan who was saved from poachers, raised in captivity, and reintrod
An introduction to the dinosaurs, including what they ate, where they lived, and what killed them off, also features a short story about two children who travel back in time while hunting for fossils.
Answers questions about the origin of the universe, time travel, and other diverse subjects and includes a fictional story featuring a boy who finds out his universe is part of a computer program.
Describes speed, including the history of humankind's speed records on land, water, and in the air, in a book that includes a fictional account of a rally racing team.
