"When 15-year old Thea's math-genius boyfriend Cam mysteriously vanishes from their upstate New York town, the weirdness is just beginning. The FBI gets involve

There's been an accident! Something's wrong! She doesn't know who she is, and doesn't know why she's invisibly floating through the buildings and grounds of a h

In 2044 in an ecologically destroyed Canada, Sara and her friend Dani accompany Sara's grandmother to the still unspoiled North Pole and there begin an adventur

When he goes to spend the summer with his great-aunt in the family's old house, eleven-year-old Drew is drawn eighty years into the past to trade places with hi

Magic. Mystery. Time-travel. Join Jack, Annie and the Magic Tree House in this historical holiday story that puts a twist on Charles Dicken's classic The Christ