Grade 4
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The Great Monkey Rescue: Saving the Golden Lion Tamarins
From the Series Sandra Markle's Science Discoveries
Golden lion tamarins are found only in Brazilian forests. These small, remarkable monkeys once had plenty of space to roam and claim family territories. But years of deforestation caused… Read More →
The Great Moving Mystery
From the Series Red Rocket ™ Readers Advanced Fluency Level 1
Moving to a different home can be a very busy and exciting experience for all the members of a family. But for their pets it can be very confusing and stressful, because animals like the… Read More →
The Great Narwhal Rescue: Saving the Arctic Ocean's Narwhals
From the Series Sandra Markle's Science Discoveries
With their long tusks, narwhals are unique whales that live in the Arctic Ocean. But as climate change causes global temperatures to rise, less and less sea ice is covering the Arctic… Read More →
The Great Penguin Rescue: Saving the African Penguins
From the Series Sandra Markle's Science Discoveries
African penguins waddle around nesting colonies in lower numbers than ever before. Despite South African government efforts to protect the penguin colonies and their ocean fish supply, young… Read More →
The Great Rhino Rescue: Saving the Southern White Rhinos
From the Series Sandra Markle's Science Discoveries
Southern white rhinos are in trouble. For years, a rumor has been spreading that their horns can be used to cure cancer, and poachers have been targeting these gentle creatures. Sandra Markle Read More →
The Great Shark Rescue: Saving the Whale Sharks
From the Series Sandra Markle's Science Discoveries
A pair of young whale sharks swim through warm ocean waters, when all at once, they're trapped—caught in a giant fishing net. What will happen to them? Why is it critical that they escape?… Read More →
The Great Space Case: A Mystery about Astronomy
From the Series Summer Camp Science Mysteries
It's Space Week at Camp Dakota! The first team to answer three astronomy riddles will get to attend a top secret "big event." With space ace Angie leading them, team Astro Explorers is a… Read More →
The Great Wolf Rescue: Saving the Red Wolves
From the Series Sandra Markle's Science Discoveries
North America’s rarest wolf species, the red wolf, was on the brink of extinction. At one time, red wolves roamed the US from southern New York to as far south as Florida and as far west as Read More →
The Green Girls
Emma, Lily, and Fadila want to save the planet . . . but no one around them seems to care. Frustrated, they name themselves the Green Girls, take to social media, and launch a series of bold Read More →
The Gross Human Body in Action: Augmented Reality — Library Bound Hardcover Set
From the Series The Gross Human Body in Action: Augmented Reality
Get totally grossed out with amazing augmented reality experiences! Your skin is teeming with lice, nits, and other nasty creatures. Millions of bacteria jostle for space in your mouth while Read More →
The Hatching
From the Series The Nightmare Club
The Nightmare Club is not for just ANYBODY. Only the spookiest, scariest stories get told at Annie's Halloween sleepovers—and if you can't take it, well, tough! What's the least spooky… Read More →
The Haunted Lighthouse
From the Series The Code Busters Club
An infamous prison may hold a secret only the Code Busters can uncover. Cody, Quinn, Luke, and M.E. may all have different talents, but they share one thing in common: they love playing… Read More →
The Haunted Stanley Hotel
From the Series That's Strange! (UpDog Books ™)
The Stanley Hotel in Colorado has a long history. Guests say they hear strange noises and see spooky things. Some people say the hotel is haunted by ghosts. No one knows for sure. Can you… Read More →
The Haunting of Bell Witch
From the Series That's Strange! (UpDog Books ™)
The Bell family thought they were being haunted. For three years, an angry ghost bothered them. It finally stopped after the father died. Did the ghost kill him? What happened to the family?… Read More →
The Haunting of Cabin 13
From the Series Camp Whispering Woods (Phonics Fun — Chapter Books)
Everyone at Camp Whispering Woods knows that Cabin 13 is haunted. Tyler and Izzie decide to explore the cabin to see if the haunting is just a rumor. But the pair become locked inside. Will… Read More →
The Haunting of Mystery Mansion
From the Series The Code Busters Club
Cody, Quinn, Luke, M.E., and Mika are the Code Busters—clever clue hunters with a passion for puzzles. It's Luke’s birthday and the group of friends are thrilled to be going to the… Read More →
![Cover: The Hero Twins: Against the Lords of Death [A Mayan Myth]](https://assets2.titleleaf.com/lerner/product/cover/m_9781580138925_fc.jpg)
The Hero Twins: Against the Lords of Death [A Mayan Myth]
From the Series Graphic Myths and Legends
Can two young boys outsmart and outwit the lords of death? The Hero Twins, Hunahpu and Xbalanque, were blessed by the Mayan gods with special powers. But their incredible skill at playing… Read More →
The Hint in the Peeping Pupil: Solving Mysteries Through Science, Technology, Engineering, Art & Math
From the Series Jesse Steam Mysteries
When Jesse stops by The Curiosity Shop she uncovers an old painting in a dusty antique steamer trunk. But what happens later that night when she is startled by a creepy eyeball? Find out how… Read More →
The Homework Squad's ADHD Guide to School Success
“A useful guide with appealing graphic-like illustrations for youth with ADHD or for anyone seeking good study techniques.”—Booklist The Homework Squad is here for kids with ADHD! This… Read More →
The Horse-Riding Adventure of Sybil Ludington, Revolutionary War Messenger
From the Series History's Kid Heroes
The Connecticut countryside, 1777. A messenger arrives at Sybil Ludington’s farm with bad news. British soldiers are starting to burn villages in the area. Someone must alert the colonial… Read More →
The House of Memories
From the Series Dark Hunter
Mr. Blood leaves Mary and Edgar alone in a strange, dark house. The old woman who lives there knows all about them. But what does she want from them? Read More →
The Human Body: Let's Investigate
From the Series Science Essentials
How many skin cells do we lose every minute? What do the trillions of bacteria that live in our bodies do? How does our brain control every action we take? And how does DNA make us who we… Read More →
The Hundred-Dollar Robber: A Mystery with Money
From the Series Manga Math Mysteries
Somebody has stolen money from the soccer team. Everyone thinks Tom, the team's big bully, did it, but he says it wasn't him. Should Adam, Amy, Joy, and Sam believe him and help? They will… Read More →
The Hungry Troll
From the Series Magical Protection Agency
Luisa Lopez can't wait for her next mission with the Magical Protection Agency! But her impatience leads to a hungry troll escaping into the human world. Can Luisa and her cousin Leo find a… Read More →