This vintage hardcover edition of "Nancy Drew Book #11" is a must-have for any young adult mystery fan. Written by Carolyn Keene, this book in the popular Nancy Drew series features a thrilling mystery that will keep readers on the edge of their seats. The book is in great shape and has been well-preserved, making it an excellent addition to any collection. With its original publication year of 1965, this letter-format book is a true gem for collectors and enthusiasts alike. Get your hands on this amazing piece of literature today!