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.
Morgan le Fay will make Jack and Annie masters of the tree house if only they can solve four riddles. "Dolphins at Daybreak" begins the third set of four books in the magical series, as Jack and Annie embark upon solving riddle number three in a whole new world under the ocean!
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 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!
Jack and Annie head to 18th-century Austria, where they must find and help a musician by the name of Mozart. Decked out in the craziest outfits they've ever worn, including a wig for Jack and a giant hoopskirt for Annie, the two siblings search an entire palace to no avail.
Jack and Annie are on their second mission to find and inspire artists to bring happiness to millions. After traveling to New Orleans, Jack and Annie come head to head with some real ghosts, as well as discover the world of jazz when they meet a young Louis Armstrong.
Jack and Annie's mission from Merlin the Magician? To help the famous writer Charles Dickens! In a magical whirl, the brother and sister are whisked back in time to Victorian England and the foggy streets of London.
