Picnic at Hanging Rock by Joan Lindsay is a gripping mystery novel published on April 28, 1977. The book, which has a print length of 192 pages, tells the story of a group of girls and their chaperones who embark on a picnic to the eerie Hanging Rock in Australia. What begins as an idyllic outing takes a dark turn when three young girls vanish without a trace, leaving behind only a single shoe found at the base of the rock. The book’s enigmatic narrative explores themes of mystery, loss, and the unknown, making it a classic Australian literary work that has captivated readers for decades.