Tilly is a novel by Christian fiction author Frank E. Peretti. Originally written as a radio drama for Focus on the Family in 1986, Peretti published it was a book in 1988. Tilly was made into a short forty-minute film in 2002 by Love Life America. Its primary themes concern abortion and post-abortion guilt and depression. (Taken from Wikipedia)
Frank Edward Peretti is a New York Times best-selling author of Christian fiction, whose novels primarily focus on the supernatural. To date, his works have sold over 15 million copies worldwide. Peretti is best known for his novels This Present Darkness (1986) and Piercing the Darkness (1989). Peretti has held ministry credentials with the Assemblies of God, and formerly played the banjo in a bluegrass band called Northern Cross. He now lives in Coeur d'Alene Idaho with his wife, Barbara. ([Wikipedia][1])
[1]: https://en.m.wikipedia.org/wiki/Frank_E._Peretti