The story of the adventures in space and time of Meg, Charles Wallace, and Calvin O'Keefe (athlete, student, and one of the most popular boys in high school). They are in search of Meg's father, a scientist who disappeared while engaged in secret work for the government on the tesseract problem.

"The magic tree house whisks Jack and Annie away to Greenland where they discover they've traveled back in time to meet Lief Erikson"--

Septimus must elude the plans of Merrin Meredith and Tertius Fume in order to find the House of Foryx, a place where all Time meets, and secure the release of Nicko and Snorri.

A large-print version of the award-winning story of Phileas Fogg, who makes a bet that he can circle the globe in eighty days, but he is thwarted by Inspector Fix at every turn.

"The last thing Jacob Portman saw before the world went dark was a terrible, familiar face. Suddenly, he and Noor are back in his grandfather's house. Jacob doesn't know how they escaped from V's loop, but he does know one thing for certain: Caul has returned. Risen from the Library of Souls, Caul and his apocalyptic agenda seem unstoppable. Only one hope remains--deliver Noor to the meeting place of the seven prophesied ones, if they can decipher...

Their magic tree house takes Jack and Annie deep into the sea, where they meet up with dolphins, sharks, and octopi as they search for the answer to an ancient riddle. Morgan le Fay will make Jack and Annie masters of the tree house if only they can solve four riddles -- which will take four books, of course! Dolphins at Daybreak begins the third set of four books in this magical (and increasingly popular) series! Jack and Annie are off in the Magic...

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 tanks runs out? Will the mysterious moon man help them? And why is Peanut the mouse acting so strange!

"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!

Their magic tree house takes Jack and Annie to the Arctic, where a polar bear leads them onto very thin ice.

The Ice Age is very cool ... for two kids in bathing suits! Jack and Annie nearly freeze when the Magic Tree House whisks them back to the time of cave people and woolly mammoths. But nothing can stop them from having another wild adventure -- not even a saber-toothed tiger!