Annotation: "Ayesha and her friends, Sara and Jess, are on the trip of a lifetime from Australia to Istanbul. But when Ayesha discovers a mysterious note in an ancient book, their relaxing holiday starts to get a whole lot more complicated. Ayesha finds herself in the middle of a hundred-year-old Sufi mystery, trying to avoid creepy villains, while still ensuring she gets to eat the best doner kebab Istanbul has to offer. But it's all in a day's sleuthing when you're Ayesha Dean. Luckily, she can count on her best friends to always have her back!"--$cProvided by publisher.