Sam Foster is a fairly typical modern American teenager who just invented a time machine. Sam didn't mean to bring back anything from his first trip to the past, but he returned home to 2005 with more than he bargained for, in the form Meg Clayton, a spirited pioneer girl from Oregon.

Who knew that the Middle Ages could be so dangerous?

A month after their first adventure together, Sam Foster and Meg Clayton travel back in time to medieval England with the hope of solving an historic mystery. From the start, however, things go wrong. They aren't dressed correctly. The locals use strange words and have thick accents. And they arrive almost thirty miles away from their intended destination

When the steward of the village, Geoffrey, arrives in the nick of time to save them from some unfriendly locals, the worst of their troubles seemed to be over. Unfortunately, they...

A homework assignment to write an essay about what his life might be like a few decades into his future should be an easy task for Sam Foster. After all, Sam is the inventor of a time machine. With his friend from the past, Meg Clayton, Sam journeys to the year 2040 to investigate his fate firsthand.

It doesn't take long for Sam to find information about his future self. Not only does he become a wealthy businessman, he makes a name for himself in the world of computer technology. It appears Sam is destined for fame and fortune. But the pair also discovers something about "Older Sam" that...