Winter ​of the Ice Wizard

Mary Pope Osborne - Buffalo ​Before Breakfast
Hello, ​buffalo! That's what Jack and Annie say when the Magic Tree House whisks them and Teddy, the enchanted dog, back almost 200 years to the Great Plains. There they meet a Lakota boy who shows them how to hunt buffalo. But something goes wrong! Now they need to stop a thousand buffalo from stampeding!

Mary Pope Osborne - Dolphins ​at Daybreak
IT'S ​SINK OR SWIM for Jack and Annie when the Magic Tree House whisks them off to the middle of the ocean. Luckily, they find a mini-submarine on a coral reef. Unluckily, they are about to meet a giant octopus and one very hungry shark. Will the dolphins save the day? Or are Jack and Annie doomed to be dinner?

Mary Pope Osborne - Summer ​of the Sea Serpent
Jack ​and Annie's summer vacation is no day at the beach! The bestselling, fan-favorite chapter-book series celebrates the summer solstice! In the paperback edition of the 31st Magic Tree House adventure, Jack and Annie are on a quest to a seaside land of mystery and myth, where they must overcome their fears and solve an ancient riddle. Magic Tree House books are New York Times bestsellers. They are known all around the world as books that inspire reading. Find out why with Summer of the Sea Serpent!

Mary Pope Osborne - Polar ​Bears Past Bedtime
It's ​icicle city . . . when the Magic Tree House whisks Jack and Annie to the frozen Arctic. Luckily, a seal hunter on a dogsled lends them warm clothes. Unluckily, they get stuck on cracking ice. Will the giant polar bear save them? Or will Jack and Annie become frozen dinners?

Mary Pope Osborne - Pirates ​Past Noon
It's ​a treasure trove of trouble! Jack and Annie are in for a high-seas adventure when the Magic Tree House whisks them back to the days of deserted islands, secret maps—and ruthless pirates! Will they discover a buried treasure? Or will they be forced to walk the plank?

Mary Pope Osborne - Night ​of the Ninjas
Have ​you ever met a real live ninja? Jack and Annie do when the Magic Tree House whisks them back to ancient Japan, where they find themselves in the cave of a ninja master. Will they learn the secrets of the ninja? Or will the evil samurai warriors get them first?

Mary Pope Osborne - Mummies ​in the Morning
Jack ​and Annie don't need another mummy. But that's what they get when the Magic Tree House whisks them back to ancient Egypt. There they meet a long-dead queen who needs their help. Will Jack and Annie be able to solve the puzzle, or will they end up as mummies themselves?

Mary Pope Osborne - Dinosaurs ​Before Dark
Jack ​and Annie's very first fantasy adventure in the bestselling middle-grade series—the Magic Tree House! Where did the tree house come from? Before Jack and Annie can find out, the mysterious tree house whisks them to the prehistoric past. Now they have to figure out how to get home. Can they do it before dark . . . or will they become a dinosaur's dinner?

Mary Pope Osborne - Midnight ​on the Moon
Three ​. . . two . . . one . . . BLAST OFF! The Magic Tree House whisks Jack and Annie off to the moon—and the future. Their mission? To find the last "M" thing that will free Morgan from the spell. Can they do it before the air in their oxygen tank runs out? Will the mysterious moon man help them? And why is Peanut the mouse acting so strange?

Mary Pope Osborne - Lions ​at Lunchtime
"Where ​are the lions?" Jack wonders when the Magic Tree House whisks him and his sister to the vast plains of Africa. Before he can find out, Annie starts to help hundreds of wildebeests cross a rushing river. Next they follow a honey of a bird and meet an awesome Masai warrior. Jack hopes any lions will just stay away. Jack is about to be very disappointed . . .

Mary Pope Osborne - Haunted ​Castle on Hallows Eve
Jack ​and Annie have traveled all over the world in their magic tree house. But they've never been anywhere like this. In the distance, a haunted castle looms dark against the light of the moon. No candles burn in its windows. No laughter rings through its halls. What has happened to the castle and the people who lived there? Merlin the magician asks Jack and Annie to find out. But are they brave enough to brush the cobwebs aside and step through the creaking doors? And are they smart enough to solve the mystery of how the castle became haunted?

Mary Pope Osborne - Ghost ​Town at Sundown
Is ​this town HAUNTED? Jack and Annie wonder when the Magic Tree House whisks them to the Wild West. But before they can say "Boo!" they rush headlong into an adventure filled with horse thieves, a lost colt, rattlesnakes, and a cowboy named Slim. Will Jack and Annie have time to solve the next Tree House Riddle? The answer may depend on a ghost!

Mary Pope Osborne - Hour ​of the Olympics
No ​girls allowed at the Olympic Games! That's the rule when the Magic Tree House whisks Jack and Annie back to ancient Greece. But when Annie tells jack to go to the games without her, he knows she's up to something. Will Annie find a way to see the games? Or will she get herself—and Jack—into Olympic-size trouble? Find out in Hour of the Olympics.

Mary Pope Osborne - Day ​of the Dragon King
Who ​would burn books? Jack and Annie find out when the Magic Tree House whisks them back to ancient China. There, a powerful emperor called the Dragon King has ordered that all books be burned. Will Jack and Annie be able to save at least one book? Or will they be captured by the emperor's soldiers?

Mary Pope Osborne - Afternoon ​on the Amazon
Vampire ​bats and killer ants? That's what Jack and Annie are about to run into when the Magic Tree House whisks them away to the Amazon River. It's not long before they get hopelessly lost. Will they be able to find their way back to the tree house? Or are Jack and Annie stuck forever in the rain forest?

Rick Riordan - The ​Serpent's Shadow
He's ​b-a-a-ack! Despite their best efforts, Carter and Sadie Kane can't seem to keep Apophis, the chaos snake, down. Now Apophis is threatening to plunge the world into eternal darkness, and the Kanes are faced with the impossible task of having to destroy him once and for all. Unfortunately, the magicians of the House of Life are on the brink of civil war, the gods are divided, and the young initiates of Brooklyn House stand almost alone against the forces of chaos. The Kanes' only hope is an ancient spell that might turn the serpent's own shadow into a weapon, but the magic has been lost for a millennia. To find the answer they need, the Kanes must rely on the murderous ghost of a powerful magician who might be able to lead them to the serpent's shadow... or might lead them to their deaths in the depths of the underworld. Nothing less than the mortal world is at stake when the Kane family fulfills its destiny in this thrilling conclusion to the Kane Chronicles.

Mary Pope Osborne - Earthquake ​in the Early Morning
An ​adventure that will shake you up! That's what Jack and Annie get when the Magic Tree House whisks them back to California in 1906. As soon as they arrive, the famous San Francisco earthquake hits the city. Can Jack and Annie find the final writing that they need to help Morgan save Camelot? Or will San Francisco be destroyed first?

Rick Riordan - The ​Battle of the Labyrinth
Percy ​Jackson isn't expecting freshman orientation to be any fun. But when a mysterious mortal acquaintance appears on campus, followed by demon cheerleaders, things quickly move from bad to diabolical. In this latest installment of the blockbuster series, time is running out as war between the Olympians and the evil Titan lord Kronos draws near. Even the safe haven of Camp Half-Blood grows more vulnerable by the minute as Kronos's army prepares to invade its once impenetrable borders. To stop them, Percy and his demigod friends must set out on a quest through the Labyrinth-a sprawling underground world with stunning surprises at every turn. Full of humor and heart-pounding action, this fourth book promises to be their most thrilling adventure yet.

Mary Pope Osborne - Dingoes ​at Dinnertime
Wildfire! That's ​what Jack and Annie are up against when they are whisked away to the land of Australia. And they're not alone! Jack and Annie must help a baby kangaroo and a koala escape from a fire-filled forest. Will they be able to rescue the animals in time?

Mary Pope Osborne - Good ​Morning, Gorillas
Gentle ​giants or giant monsters? That's the question Jack and Annie have about gorillas when the Magic Tree House sweeps them to the mountains of Africa. There they meet a group of amazing and sometimes frightening mountain gorillas. Annie knows how to play with the creatures right away. But Jack is left out. Will the gorillas be able to teach him some special magic?