- Features beloved AGC character Samantha Parkington and her best friend Nellie in a new story--a spooky mystery - Mysteries are an ever-popular genre among girls.- Meets customer demand for new stories about favorite AGC characters.- Meets customer demand for longer, more challenging AGC novels--story is written at a fourth-grade level and runs about 100 pages longer than earlier AGC books.- Written by History Mysteries author Sarah Masters Buckey, a 2004 Agatha nominee for Best Children's/YA Mystery (for Gangsters at the Grand Atlantic).- Full-color Looking Back.- Paperbacks include a tear-off bookmark on back cover flap.