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Unexplained (Alternator Books™)

This absorbing series explores high-interest paranormal topics for middle grade readers. From ghostly specters to spontaneous human combustion, each title searches for answers to explain mysterious and fascinating phenomena.

Unicorn Yoga

The healing, restorative power of yoga has been known for centuries, and more people than ever are active practitioners. Now even the youngest of readers can learn this mind and body exercise, helping them set up a lifetime of healthy habits. Through clear, easy-to-follow instructions, a unicorn yogi, along with two energetic students, leads children through a ten-pose class. Kid-friendly back matter provides additional information on yoga, as well as tips on mindfulness, encouraging readers to develop their own daily practice.

Unicorns of the Secret Stable

There are unicorns behind Magic Moon Stable, but no one except Iris and Ruby know they exist. As Unicorn Guardians, it is their job to protect the unicorns and their magic to keep them safe from the outside world.

United States Presidents, The (Checkerboard Library)

Learn about the individuals who have held this important office in the United Stated Presidents series. Each book explores one president?s childhood, time in office, accomplishments, and legacy. Discover what it takes to be presidents, how a president is elected, and how the US Government works. Read this series to experience history through the leaders who shaped it.

Universe and You, The

During the night, as we sleep, a beautiful celestial dance is taking place. While Earth seems solid and still, it's actually spinning on its axis and circling the sun. Joining Earth in this orbit around the sun are the other seven planets in our solar system, along with dozens of moons and millions of comets and asteroids. Containing our solar system is the wondrous Milky Way galaxy, with its billions of stars, just like our own sun, swirling and whirling around. And on from there are the billions of galaxies with their own stars swirling and whirling into the ever-expanding space called our universe. When the sun rises on a brand new day, the dance continues. Through lyrical text, award-winning science writer Suzanne Slade (June Almeida, Virus Detective! The Woman Who Discovered the First Human Coronavirus) takes young readers on an exploration of our solar system, galaxies beyond, and finally the universe as a whole. Back matter includes science facts.

Unnatural Disasters: Human Error, Design Flaws, and Bad Decisions (21st Century Skills Library)

Human modification of the environment always carries a risk of accident and folly. With this series, young readers explore the causes and consequences of some of the most major environmental catastrophes of the past 100 years. Guided by compelling questions such as, ""What led to these disasters?,"" ""Who was impacted by them?,"" and ""What changed in their aftermath?"" this interdisciplinary series blends social studies and science content. Ultimately, it pushes students to consider how humans can meet their need for resources in a safe, sustainable way. Books include table of contents, index, glossary, author biography, and timeline.

Unofficial Guides (21st Century Skills Innovation Library)

The Unofficial Guides series explores the various aspects of today's most popular games and programs including Apex Legends, LEGO Mindstorms, Fortnite, Minecraft, Animal Crossing, Among Us and more! Each collection covers topics ranging from basic to advanced. This series is perfect for the hands-on techie.

Unofficial Guides Junior (21st Century Skills Innovation Library)

The Unofficial Guides Junior series explores the various aspects of the enormously popular Minecraft™, Fortnite, Roblox, and Pokémon GO programs for younger readers. This collection, covering topics across the games in a clear and concise way,is perfect for the younger hands-on techie.

Unplug with Science Buddies®

It's time to turn off your device! This fun, maker-focused series features projects from project database creators, Science Buddies®, and encourages readers to step away from the screen and create with their hands.

Unspeakable: The Tulsa Race Massacre

Celebrated author Carole Boston Weatherford and illustrator Floyd Cooper provide a powerful look at the Tulsa Race Massacre, one of the worst incidents of racial violence in our nation's history. The book traces the history of African Americans in Tulsa's Greenwood district and chronicles the devastation that occurred in 1921 when a white mob attacked the Black community. News of what happened was largely suppressed, and no official investigation occurred for seventy-five years. This picture book sensitively introduces young readers to this tragedy and concludes with a call for a better future.