Big blocks of ice that have built up on Earth over millions of years are shrinking. What's happening to them? Climate change is making things hotter, causing massive melting of Earth's ice… More →
Grade 6 - 9
Disaster Stories
Series of 6 titles
Experience some of history's biggest disasters in these engaging graphic novels. Reluctant readers will watch characters navigate tragedies like the sinking of the Titanic and the attack on… More →
Disaster Strikes!
It was smooth sailing aboard the Titanic until late in the evening of April 14, 1912, when lookouts atop the crow's nest spotted a huge iceberg in the path of the ship. From the moment… More →
Disaster Zone
Series of 4 titles
What would it take to make it through a freezing ice age or explosive volcanic eruption? Find your way out of these disaster zones and become a survival expert. Join the hi-lo adventure to… More →
Discovering Titanic
After Titanic sank to the icy depths of the Atlantic, some feared the once-great ship would be lost forever. Despite decades of searching, nobody was able to locate the liner along the ocean… More →
Today, we have lots of medicine that helps us stay healthy, but it the past it was far too easy to get sick. Find out all about the hideous history of disgusting diseases. This engaging hi-lo More →
From insects that chomp on chocolate and strawberries to grain weevils and fruit flies, the food we eat is not ours alone. Virtually everything we consume is a target for thousands of… More →
Dog Heroes
Series of 2 titles ⁎
Dogs charge to the rescue in this award-winning series about our heroic canine friends! Readers will learn how dogs are trained for various jobs, and discover how dogs and people working… More →
Dolphin vs. Mako Shark
Dolphins are extremely intelligent animals. Mako sharks are the fastest sharks in the ocean. Which of these animals will dominate? Leveled text and action-packed images showcase the skills of More →
Do Not Devour!
Many of nature's most harmful Animals are dangerous to eat. But who is the deadliest to devour? Readers will discover and compare some of nature's most fearsome Animals through stunning… More →


