It is 1943, and 11-year-old Dewey Kerrigan is traveling west on a train to live with her scientist father--but no one will tell her exactly where he is. When she reaches Los Alamos, New Mexico, she learns why: he's working on a top secret government program.

When she joins her father and several others investigating a strange whirlpool and possible sunken treasure ship off the coast of Baja California, thirteen-year-old Kate is drawn into a centuries-old conflict between Merlin and the evil Vagar.

When a thirteenth-century wizard confronts twenty-first century Boston while seeking his pet dragon, he is followed by a rival wizard and a very unhappy demon, but eleven-year-old Theodora Oglethorpe may hold the secret to setting everything right.

While life goes on in Mansfield, Missouri, Laura agrees to help her elderly father fulfill his dream of returning to their former home on the Kansas prairie.

The family routine is upset during Ramona's year in second grade when her father unexpectedly loses his job.

"As far as twelve-year-old McKinley O'Dair is concerned, the best thing about living in Gap Bend, Pennsylvania, is the Time Hop--the giant party the town throws every June to celebrate a single year in history. That one day is enough to make the few things that aren't so fantastic about McKinley's life--like her crabby homeroom teacher or her super-scheduled father--worth suffering through. And when McKinley learns that this year's theme is 1993,...