Chapter House

When Sophia unexpectedly receives a mysterious invitation to a special school for horse riders, she begs her mom to let her go. Then she learns that the school is actually Unicorn Academy, where each student is matched with a magical unicorn! Sophia can't wait to discover her destiny and become a Unicorn Rider. But first, she must bond with Wildstar to unlock the unicorn's magical powers. Sophia is up for the challenge! But things get tricky when she realizes there’s an evil queen who wants to destroy Unicorn Island, the academy, and its unicorns.

The Romanovs provides the answers, describing in suspenseful detail the dramatic efforts to discover the truth. Pulitzer Prize winner Robert K. Massie presents a colorful panorama of contemporary characters, illuminating the major scientific dispute between Russian experts and a team of Americans, whose findings, along with those of DNA scientists from Russia, America, and Great Britain, all contributed to solving one of the great mysteries of the twentieth century.

Jack and Annie are off on another Merlin Mission. This time, Merlin has sent them to rescue a beautiful, magical creature, the unicorn. But when they land in New York City during the Depression of the 1930s, Jack and Annie are confused. Where will they find a unicorn in a big city? And what about the blizzard that's burying New York in snow? Can Jack and Annie make their way through the windy streets, find the unicorn, and maybe even bring some hope to the people of the great city?

The Magic Tree House whisks Jack and Annie away to the decks of that ill-fated ship, the Titanic. There, they must help two children find their way to a lifeboat, all while they are in danger of becoming victims of that tragic night themselves.

Please come to Camelot. The magic tree house whisks Jack and Annie through space and time to find that the castle of Camelot has been attacked and King Arthur has been gravely wounded. To save the kingdom - and the king - Jack and Annie have only one day to solve a riddle that will help them find a missing dragon!

Isabel loves being at Unicorn Academy! She wants to be the best Unicorn Rider ever with her unicorn, River, even if he isn’t always as brave as she is. When she and her friends are tasked with collecting starburst flowers to celebrate the Fairy Moon, she’s determined to find the most, even if it means getting her and River into danger. Then disaster strikes, and the bond between Isabel and her unicorn begins to fade. Can Isabel and River learn to work together? Or will they lose their bond . . . forever?

In Night of the Ninjas, Jack and Annie meet a real live ninja when the Magic Tree House whisks them back to ancient Japan in search of enchantress Morgan le Fay, who holds the answer to the origins of the Tree House. When they arrive, 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?

In Mummies in the Morning, Jack and Annie get another mummy when the Magic Tree House whisks them back to ancient Egypt after reading a book on the same subject. There, they find themselves in a pyramid, face to face with a long dead queen named Hutepi. She needs their help finding her copy of the Book of the Dead for a trip to the underworld. Will Jack and Annie be able to solve the puzzle, or will they end up as mummies themselves?

Hold your horses! Jack and Annie must find four secrets of greatness for Merlin the magician. To start, they travel back in time to meet Alexander the Great. He should know all about greatness, right? But young Alexander is bossy, vain, and not great at all! How can they learn from him? It’s going to take a wild black stallion, magic from Merlin, and a lot of bravery to succeed. Are Jack and Annie clever and bold enough to complete their mission?

Pippa Munro had everything planned for her perfect wedding. What she did not have planned, was for her boyfriend to break up with her. Or sell her beloved farm. So instead of being blissfully engaged, Pippa finds herself jobless, homeless and loveless. Things couldn’t be going better… Wolfie Squires needs someone to look after his family’s ancient house. He’s too busy with his hot shot city job to deal with a country manor several hundred miles away. The perfect solution? Find someone to house sit. The less-than-perfect candidate? Pippa Munro.

In their first adventure as Master Librarians, Jack and In their first adventure as Master Librarians, Jack and Annie go to the city of Pompeii to bring back an ancient story that is in danger of being lost forever. Little do they know they are saving the myth of Hercules! But before they can find it, the town's volcano erupts in a mighty explosion. Just when things look hopeless, Jack and Annie get some unexpected help from a certain mythic hero...and the rest, as they say, is history.

The number one best-selling book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Jack and Annie arrive on 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!

Jack and Annie are on a mission for Merlin the magician! This time, the magic tree house whisks them off to Thebes, Egypt, to find Florence Nightingale, a world-famous nurse. But when they find her, the Florence Nightingale they meet is not a famous nurse at all - she’s not even a regular nurse! Have they found the right person? Or did Merlin make a mistake? An easy mission turns dangerous when Jack and Annie try to solve the mystery!

Jack and Annie know they have to search for one of the four secrets of happiness to help Merlin the magician find joy in his life again. And so they head off in the magic tree house for Florence, Italy, in the early 1500s to spend the day with one of the greatest artists and inventors of all time: Leonardo da Vinci!

Jack and Annie travel back in time to a desert in the Middle East at the behest of Merlin, who has given them a rhyme to help on their mission. There they meet a Bedouin tribe and learn about the way that they live. From camel rides and oases to ancient writings and dangerous sandstorms, here's another Magic Tree House filled with all the mystery, history, magic, and old-fashioned adventure that kids love.

Merlin the Magician will not eat or sleep or speak to anyone in Camelot. What can be done? The enchantress Morgan knows who to ask for help: young Jack and Annie of Frog Creek, Pennsylvania! The brother-and-sister team quickly head off in the magic tree house on another magical and historical adventure.

Jack and Annie are off in search of another story in jeopardy, this time at a monastery in ancient Ireland. Trouble arrives when Vikings land, and Jack and Annie must find a way to escape!

The Magic Tree House whisks Jack and Annie off to the mountains of Africa. There, they run into a huge mountain gorilla! At first they don't know whether they should shake hands or turn tail. But the ominous-looking creature turns out to be surprisingly gentle. Not only that, the gorilla may be able to help them learn their next bit of magic, which Morgan has challenged them to do.

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 are off on another adventure! This time they are sent to ancient Greece, where a very important event is taking place. Join them as they race against time and witness the very first Olympic Games!