Shadow of the Shark

In this thrilling adventure steeped in history, Mary Pope Osborne introduces listeners to classic Welsh legends and continues her own story of King Arthur, Merlin, and the Knights of the Round Table.

The magic tree house has returned, and it's taking Jack and Annie back in time to Alaska, 1925. There they meet Balto, a jet-black Siberian husky destined to save victims of the diphtheria epidemic. But the trail isn't easy, and Balto is going to need Jack and Annie's help!

Enjoy this collection of eight Magic Tree House audiobooks: Stage Fright on a Summer Night, Good Morning, Gorillas, Thanksgiving on Thursday, High Tide in Hawaii, A Big Day for Baseball, Hurricane Heroes in Texas, Warriors in Winter, and To the Future, Ben Franklin!

Merlin Mission books 17-24 of the number-one New York Times best-selling Magic Tree House series, available together for the first time ever! Magic Tree House Merlin Missions are more challenging adventures for the experienced Magic Tree House fan. In each adventure Merlin the magician sends Jack and Annie on an adventure in the magic tree house.

Merlin Mission books 9-16 of the number-one New York Times best-selling Magic Tree House series, available together for the first time ever! Magic Tree House Merlin Missions are more challenging adventures for the experienced Magic Tree House fan. In each adventure Merlin the magician sends Jack and Annie on an adventure in the magic tree house.

Just in time for the 2014 FIFA World Cup, Magic Tree House Book 52, Soccer on Sunday will take Jack and Annie to a soccer field in Mexico where they must find the final secret of greatness for Merlin. On the field, they'll meet a young soccer player who dreams of one day playing in the World Cup just like his hero, the great Brazilian soccer player, Pelé!

Magic Tree House #51: High Time for Heroes features Jack and Annie back in Egypt, still seeking the secrets of greatness for Merlin. This time they will meet the great nurse, Florence Nightingale, on her trip to Egypt that served as the inspiration for the choices that made her both famous and beloved.

Magic Tree House #49 features Jack and Annie heading back to ancient Greece and an adventure with Alexander the Great when he was a child and his famous stallion: Bucephalus.

Magic Tree House 50 features Jack and Annie and legendary magician Harry Houdini! If kids get hooked on Magic Tree House, they're hooked on books! The Magic Tree House books, with their fiction and nonfiction aspects, are perfect for parents and teachers just starting to get into the "Core Curriculum". With a blend of magic, adventure, history, science, danger, and cuteness, the book topics range from kid-pleasers to curriculum perfect to seasonal shoe-ins.

Time-traveling brother-and-sister team Jack and Annie have to find a certain kind of food - the fourth thing needed to save Merlin's beloved penguin, Penny. The magic tree house whisks them off to a village in the mountains of Southeast China, close to a world-famous panda reserve. Will it be their easiest adventure yet? Not a chance! Jack and Annie don't know it, but they've arrived on the day of a historic earthquake! How will Jack and Annie survive when the giant quake strikes?

The first Magic Tree House® Super Edition - and Jack and Annie's most dangerous mission ever in the scariest time the world has ever known: World War II. With a longer story and additional facts, this is a thrilling adventure no listener will want to miss!

Play ball! Jack and Annie aren't great baseball players...yet! Then Morgan the librarian gives them magical baseball caps that will make them experts. They just need to wear the caps to a special ballgame in Brooklyn, New York. The magic tree house whisks them back to 1947!

Jack and Annie of Frog Creek, Pennsylvania, know they have to find one of the four secrets of happiness to help save Merlin the magician. But when the magic tree house whisks them off to a misty island in the middle of nowhere, they wonder how they will find anything. As the fog lifts, they see a huge three-masted ship - could it be a pirate ship?

Jack and Annie are on their third mission to find (and inspire!) creative people to bring happiness to others through the arts (Mozart and Louis Armstrong so far). Set in Ireland, in this story Jack and Annie meet an Irish girl and go on a magical adventure that changes the girl's life. She grows up to be Lady Gregory, who helped bring back the Irish legends, started a theater, and helped the Irish people regain both their heritage and their pride.

Jack and Annie continue their quest for the secrets of happiness - secrets they need to save Merlin. This time, the Magic Tree House takes them to the one continent they haven't visited before: Antarctica! What can they hope to learn about happiness in such a barren place? Only the penguins know for sure.... Jack and Annie are about to find out!