Bob Kat, TIME SHIFTERS time travel series Author 

What if one wrong step could send you into another time—and one brave decision could change history forever?

The Time Shifters series by Bob Kat is a thrilling young adult adventure that blends heart-pounding time travel, unforgettable friendships, first love, historical mysteries, and nonstop suspense. Perfect for readers ages 12 and up, the series follows Kelly Welch and her friends as they discover that history isn't as fixed as everyone believes. Every trip into the past comes with impossible choices, dangerous consequences, and the terrifying realization that changing one life can change countless others.

Filled with authentic historical settings, relatable teenage characters, clean romance, emotional depth, humor, mystery, and page-turning suspense, the Time Shifters series appeals to fans of time travel adventures, historical fiction, and coming-of-age stories alike.