Seeds of Time: An Eagle Glen Trilogy Book — K.C. Dyer

Thirteen-year-old Darrell Connor is a troubled girl, still haunted by the motorcycle accident that took her father's life and part of her leg three years ago. She is not pleased when her worried mother sends her to board at Eagle Glen School for the summer.

But there is a sense of mystery at the school that appeals to Darrell, and as she investigates, she finds adventure and begins to form a few tentative friendships. When she stumbles upon a passage through time, she begins to wonder - is it possible to change her own past?