'Heidi' is one of the best-selling works of children's fiction. The novel, published in 1880, was written by Swiss author Johanna Spyri. The story involves a young orphan who is sent to the Alps to live with her grandfather. The premise is simple enough, but the book's underlying themes explore jealousy, mental illness, physical disability, and religious conservatism. So, why is the girl of the Alps so popular?
Click through and explore the cult and myth behind this Swiss miss.