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UFOs and Alien Encounters: Are They Real?

For centuries, people have looked into the sky and observed objects they just can’t explain. These unidentified flying objects, or UFOs, have sparked many investigations, some by scientists but many by amateur UFO hunters. After numerous probes into the possibility that UFOs regularly visit the Earth, experts remain divided on whether alien encounters have truly occurred.

Ultimate Adventure Guides

Discover some of the world's most intriguing placesÑfrom islands ruled by animals to a bridge completely under water. With engaging sidebars, maps, travel tips, and unbelievable true facts, these books allow readers to imagine travelling to fascinating destinations.

Ultimate Predators

Discover some of the fiercest predators in the animal kingdom with remarkable photographs of animals hunting! Readers will be fascinated by how these animals hunt and train their young to track and kill prey.

Ultimate Sports

With ultimate sports, ultimate sportspeople, and landscapes, readers will love this ultimate adrenaline-high series. Packed with information about extreme sports, the extreme geography in which they take place, and the extreme sportspeople who practice them, this engaging, high-interest series will inspire the next generation of ultimate sport stars!

Ultimate Supercars

Buckle up! This series takes readers for a spin in the fastest, most technologically advanced cars in history and today. Each title features informative sidebars, detailed infographics, vivid photos, and a glossary.

Ultimate Supercars (Bigfoot Books)

This series introduces readers to some of the coolest, fastest, and most technologically advanced cars on the road today. Each title features informative side bars, detailed infographics, vivid photos, and a glossary.

Unbelievable! (UpDog Booksª)

The universe is full of fascinating, incredible facts. From sports arenas to the oceans to the deepest reaches of space, readers will learn high-interest, educational facts that they'll want to share with their friends.

Unbelievable! (UpDog Books™)

The universe is full of fascinating, incredible facts. From sports arenas to the oceans to the deepest reaches of space, readers will learn high-interest, educational facts that they'll want to share with their friends.

Unconventional Science (Core Library)

Around the world, scientists are finding cool and unusual ways to make people's lives better and help the environment. Some of these methods have been quietly used for centuries. Only recently have they earned much attention. Other methods use new technology in unexpected and even gross ways to clean things up and provide people with water and energy! Learn about the history of these fascinating methods, how they work, and how they are making the world a better place.

Undecided, 2nd Edition: Navigating Life and Learning After High School

For high school students all over the country, deciding what to do after graduation can be overwhelming. How do you know if college is your best choice? If it is, how do you plan for student loans? If it's not, what are your other options? That's where Undecided comes in! This updated and revised edition provides a comprehensive overview of the choices available after high school, from traditional four-year colleges and trade schools to military service and gap years. Teens can choose a career path and get advice on how to succeed! Checklists, anecdotes, brainstorming activities, and journal exercises lead to well-informed decisions. Find a future that works for you!