Grade 4
4813 records found. Displaying 2929 - 2952.
Polar Bears
From the Series Animals in Danger
Perfectly equipped for life in the polar region, but still in danger! Meet the biggest land predator in the Arctic, the polar bear! Discover how polar bears make dens deep in the snow and how Read More →
Polar Bears on the Hunt
From the Series Searchlight Books ™ — Predators
What features help polar bears survive the cold? Why do they hibernate? Discover the answers to these questions and learn other fascinating facts about polar bears. From their habitat to… Read More →
Polar Bears vs. Seals: Food Chain Fights
From the Series Predator vs. Prey
Polar bears and ringed seals know how to survive in the Arctic, but which would win in a fight? Polar bears wait patiently for their prey and strike fast. Seals are sneaky and dive deep… Read More →
Polar Regions
From the Series Extreme Habitats
If you’re looking for extreme habitats, then you need to head for the ends of the Earth. Polar Regions is packed with facts, survival tips, awesome photography, explorations, and research. Read More →
Polar Survival Stories
From the Series Searchlight Books ™ — Survival Stories
What would you do if you were lost in the Arctic? The polar regions are icy, snow-covered places. Polar visitors must be ready for freezing temperatures and scarce resources. Getting around… Read More →
Police Forensics
From the Series On the Radar: Defend and Protect
Police forensics takes you into the thrilling world of crime scene investigation. Make sure it's on your radar! Inside you'll find these features: Great Gear Discover the forensic officer's Read More →
Political Systems in Action — Library Bound Hardcover Set
From the Series Political Systems in Action
This fascinating series explores the world's key political systems, how they worked in the past, how they work today, and the people behind the politics. Each title in the series is full of… Read More →
Pollution
From the Series Earth in Danger
Take an important journey around the world and discover how pollution is affecting our planet and what we can do to help! Poisonous chemicals and harmful smoke pollute the air we breathe… Read More →
Pollyanna
From the Series First Avenue Classics ™
When optimistic orphan Pollyanna is sent to live with her stern Aunt Polly in the dismal town of Beldingsville, the sweet-natured eleven year old relies on "the Glad Game" to boost her… Read More →
Pomeranians Are the Best!
From the Series The Best Dogs Ever
What's that dog with the powder-puff coat, foxlike face, and bold personality? It's the Pomeranian! Pomeranians are cuddly dogs, yet they're also active and have loads of curiosity. Their… Read More →
Pompeii and Other Legendary Ancient Places
From the Series Ultimate Adventure Guides
Take a journey across the world … and back into the past. Visit cities that look just as they did centuries ago, mysterious stones standing in the landscape, and the biggest tomb ever built. Read More →
Poodles Are the Best!
From the Series The Best Dogs Ever
What’s that dog with the curly coat, good looks, and keen intelligence? It’s the poodle! Poodles come in three sizes and different colors, so poodle lovers can pick their favorite! Poodle… Read More →
Poop for Breakfast: Why Some Animals Eat It
Eating poop is gross! So why do some animals do it? For lots of good reasons! Male butterflies slurp up poop to give as a gift to females, which makes their eggs stronger. Robins scarf down… Read More →
Pope Francis: First Pope from the Americas
From the Series Gateway Biographies
On March 19, 2013, Cardinal Jorge Mario Bergoglio of Argentina became Pope Francis, the 266th Pope of the Catholic Church. His election to the papacy was notable in many ways. He became the… Read More →
Pope Leo XIV: First American Pope
From the Series Gateway Biographies
On May 8, 2025, Cardinal Robert Francis Prevost left the papal conclave—a gathering of the College of Cardinals to select the new pope of the Catholic Church—as Pope Leo XIV. He is the first Read More →
Pop Flies, Robo-Pets, and Other Disasters
Thirteen-year-old Satoshi Matsumoto spent the last three years living in Atlanta where he was the star of his middle-school baseball team—a slugger with pro potential, according to his coach. Read More →
Popular Clone
From the Series The Clone Chronicles
Meet Fisher Bas: 12 years-old, growth-stunted, a geeky science genius, and son of the Nobel Prize-winning creators of the Bas-Hermaphrodite-Sea-Slug-Hypothesis. No surprise: Fisher isn't… Read More →
Porcupines and Hedgehogs
From the Series Core Content Science — Animal Look-Alikes
Likes living in trees or on the ground? Herbivore or omnivore. Is it a porcupine or a hedgehog? Readers will learn how these adorable spiky mammals are alike and how they differ. Read More →
Power Button — Library Bound Hardcover Set
From the Series Power Button
Kaz and Truly, two mismatched cousins, have discovered a pair of mysterious matching wristbands. And when they bump the bands together, they summon an outer-space superhero. Meet Trinn Cyclo, Read More →
Power for the Planet
From the Series Core Content Science — Our Green Earth
Energy is all around us. Food and sleep are the fuels our bodies use to create the energy we need to move, talk, and think. But scientists tell us some of the fuels that keep our homes and… Read More →
Power from the Sun
From the Series Red Rocket ™ Readers Fluency Level 1
Solar power is becoming a popular way for people to light and heat their homes. You might have seen solar panels on top of buildings. The energy of the sun is an unlimited resource and today… Read More →
Power Play
From the Series Lorimer Sports Stories
When Zach Thomas broke his wrist going into the boards early in the hockey season, he thought he was done for the year. But as his Cochrane, Alberta, Pee Wee team gets ready for the… Read More →
Pranks and Attacks!: Book 1
From the Series Tao, the Little Samurai
Tao is studying martial arts at the famous Master Snow's school. But no matter how hard he concentrates on his lessons, mischief gets in the way! Tao plays pranks and jokes around with his… Read More →
Praying Mantises: An Augmented Reality Experience
From the Series Creepy Crawlers in Action: Augmented Reality
A praying mantis waits for its prey insect to appear. Then, like lightning, the mantis strikes! Learn how praying mantises hunt, reproduce, and protect themselves with thrilling details and… Read More →