Haddix, Margaret Peterson. Believing herself to be a frontier child in 1840, Jessie is shocked when her mother reveals a secret–it’s really 1996. After a diphtheria outbreak strikes the village children, Jessie must venture out into the modern world where she faces a wealth of confusing 20th century innovations and the sinister man who will stop at nothing to make sure the village residents remain locked in their 19th century world