Calico Captive
Author: Elizabeth George Speare

Description from Amazon.com: [Editor's Review] In the year 1754, the stillness of Charlestown, New Hampshire, is shattered by the terrifying cries of an Indian raid. Young Miriam Willard, on a day that had promised new happiness, finds herself instead a captive on a forest trail, caught up in the ebb and flow of the French and Indian War. It is a harrowing march north. Miriam can only force herself to the next stopping place, the next small portion of food, the next icy stream to be crossed. At the end of the trail waits a life of hard work and, perhaps, even a life of slavery. Mingled with her thoughts of Phineas Whitney, her sweetheart on his way to Harvard,... [more at Amazon link below]

Available Online: Amazon $5.12 (prices include shipping)
Check if it's available at your local library