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?
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. Their mission: discover one of the four secrets of happiness.
Though the question is quite simple, Simple answers might be wrong. If you want to know the right one, Help the genius all day long, Morning, noon, and afternoon, Till the night bird sings its song.
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.
Jack and Annie are in deep trouble when the Magic Tree House whisks them back to the days of desert islands, secret maps, hidden gold — and ruthless pirates. Will Jack and Annie discover a buried treasure? Or will they walk the plank?
Climb the ladder to adventure by reading Magic Tree House books! Don't forget your kusarigama! Did you ever take tea with a real live Ninja? Jack and Annie do when the Magic Tree House drags them backwards to ancient Japan where they find themselves in the cave of a Ninja master. Will they learn the secrets of the noble and mysterious Ninja?
Eight-year-old Jack, his seven-year-old sister, Annie, and Peanut the mouse ride in a tree house to the Amazon rain forests, where they encounter giant ants, flesh-eating piranhas, hungry crocodiles, and wild jaguars.
This time, the Magic Tree House whisks Jack and Annie all the way back to the Ice Age, where they meet woolly mammoths, cave people and fierce sabertooth tigers!
The magic tree house takes Jack and Annie to a moon base in the future where they continue to search for the fourth thing they need to free their friend Morgan from the magician's spell.
In The Knight at Dawn, Jack and Annie find peacocks for dinner and boys in skirts when the Magic Tree House transports them back to the Middle Ages for another wild adventure. In this second book in the series, inquisitive, notebook-carrying Jack and his animal-charming younger sister, Annie, find themselves in the middle of an enormous castle.