Get ready for a thrilling adventure with "Nancy Drew Mystery Stories 2: The Hidden Staircase" by Carolyn Keene. This hardcover book, published by Penguin Young Readers Group in 1930, is perfect for young adults and ages 9-12 who love mysteries and detective stories. The book is part of the popular "Nancy Drew Ser." and has 192 pages filled with suspense and excitement.

The book measures 7.5 inches in length, 5 inches in width, and 0.7 inches in height, with a weight of 7.8 ounces. It is in English language and features an illustrator. The narrative type is fiction, and the genre is juvenile fiction. The book is a great addition to any collection and is sure to provide hours of entertainment.