One of the most common storms, a blizzard can be dangerous, even deadly! This reader explores some of the worst blizzards in history, and offers tips on how to prepare for one and survive it.

Surf's UP! Come learn about some of the legends of this sport, its dangers, and some of the hottest spots to catch a wave! Use your unique code to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!

Why do we need sleep? What if we get too little or too much? Explore the mysteries of the night — like what really happens when we sleep! Use your unique code to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!

How fast is fast? Humans, cars, animals: they all have the ability to go fast. Come explore the many ways we can speed. Use your unique code to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!

Madagascar has unique wildlife, beautiful forests, and a booming tourism industry. Come explore this fascinating island! Use your unique code to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!

Music has always been important to people — and some animals! Explore the many ways music affects us, from whale songs to Yo-Yo Ma. Use your unique code to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!

Nomads still live in parts of the world. Life on the move is challenging! Explore the cultures of nomads and why they live this way.Nomads still live in parts of the world. Life on the move is challenging! Explore the cultures of nomads and why they live this way. Use your unique code to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!

Those crazy Yankees! Discover some strange things Americans do to entertain themselves, from smashing pumpkins to dog surfing competitions! Use your unique code to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!

Living off the sea has shaped the lives and professions of the Japanese people. Come explore the traditions and the changing world of ama divers, tuna fishermen, sushi knife makers, and sushi chefs. Use your unique code to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!

Cambridge Discovery Education Interactive Readers are the next generation of graded readers — captivating topics, high-impact video, and interactive exercises designed to motivate and engage. A triathlon is one of the most demanding races a person can undertake. This reader explores some of the most famous and extreme triathlons around the world, including the Ironman and the Ultraman, along with some amazing competitors. Use the unique code inside the book to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!

Water is one of the most essential ingredients for life on Earth. This reader looks at water in all its forms — in the air, on the ground, in the oceans, in our pipes — and explains how water keeps our lives moving. Use your unique code to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!

Penguins that exchange wedding rings? A fish that doesn't swim? Learn all about the bizarre and unexpected behavior of animals from around the world. Use your unique code to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!

What are the odds that you will be struck by lightning? Attacked by a shark? Become a superstar? This reader analyzes the chances of the incredible. Use your unique code to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!

Cambridge Discovery Education Interactive Readers are the next generation of graded readers — captivating topics, high-impact video, and interactive exercises designed to motivate and engage. Are humans alone in the universe, or is intelligent life out there somewhere? Find out how people throughout the years have explored this age-old question. Use your unique code to access the online reader, complete with videos and interactive exercises. Plus, download a free e-book version of the reader!