Tales of unicorns have been passed down over millennia. They go back further than 2000 BC in Asia! These stories aren't always about the gentle unicorns we think of today. Some unicorns were said to be absolutely fierce creatures. This thought-provoking text presents unicorn mythology from around the world and asks if it's possible that unicorns actually existed at one time. The accessible narrative and vivid historical images--including medieval...

"Are they out there? The many movies and TV shows about aliens tell us that people continue to be extremely interested in the possibility of extraterrestrial life. This entertaining yet thoughtful volume presents information about aliens and UFOs through personal and historical accounts, as well as possible scientific explanations for supposed encounters. Thought-provoking sidebars and fact boxes and vivid images will keep even the most reluctant...

Imagine waiting months to get your mail or find out the news. That was the reality for thousands of settlers in the western United States in 1860. At that time, the only way to deliver mail was by boat or overland by stagecoach. These journeys covered thousands of miles and took weeks or months to complete. Then, in 1860, the Pony Express burst across the West. Its teams of brave young men riding fast horses delivered the mail in record time and delighted...

Introduces plantw tihe unique or unusual features, such as those that eat meat and those that produce poisons, and includes a fictional story featuring carnivorous plants.

So, what's fact and what's fiction? This book separates the truth from the tall tales and reveals the two Davy Crockett's-one a myth, the other a real man. Both were remarkable people, lives worth remembering, and celebrating.

When it comes to our American heroes, it can be hard to separate fact from fiction. The bravest men and women who helped make our nation what it is today can seem larger than life. Some of the stories of their courageous acts might even sound too good to be true. Even in his own lifetime, Ethan Allen and the Green Mountain Boys became a myth, part of a folklore that people handed down. In this way they seemed almost more legend than men. In Ethan...

Is mind reading a real skill? What about being able to move things with just your mind? Readers will be captivated by claims of psychic powers while also learning the facts about each story. Which tales could be true and which myths are busted? Exciting, easy-to-read text and compelling images will keep struggling and reluctant readers alike flipping the pages to find out.

UFOs: Are Alien Aircraft Overhead? Readers will examine the history of UFOs, Roswell, alien abduction, Area 51and more before deciding for themselves! Table of contents, fun facts, a glossary, and an index are included. Aligned to Common Core Standards and correlated to state standards. Checkerboard Library is an imprint of Abdo Publishing, a division of ABDO.

Readers will examine the history of artificial intelligence, leading scientists in the field, the Three Laws of robots, the singularity, Sophia the robot, and more before deciding for themselves!