Haddix, Margaret Peterson <br/><br/>
Running Out of Time. 

 - New York :  Aladdin Paperbacks,  1997. 
<br/><br/> When a diphtheria epidemic hits her 1840 village, thirteen-year-old Jessie discovers it is actually a 1996 tourist site under unseen observation by heartless scientists, and it's up to Jessie to escape the village and save the lives of the dying children. 
<br/><br/><label>ISBN: </label>0-689-81236-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science Fiction<br/>Survival Stories