"Nancy Drew 02: The Hidden Staircase" by Carolyn Keene is a classic juvenile fiction novel published by Penguin Young Readers Group in 1930. This hardcover book, with a length of 7.5 inches and a width of 5 inches, features 192 pages filled with mysteries and suspense. The story follows the adventures of Nancy Drew as she solves a thrilling mystery, making it a captivating read for young readers. With illustrations included, this book is a must-have for fans of detective stories and girls who enjoy a good mystery.
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