Nancy Drew Mystery Series #2: The Hidden Staircase by Carolyn Keene

Title:  The Hidden Staircase
Format:  Clothbound Hardcover - blue tweed cover
Author:  Carolyn Keene
Illustrator:  various over the years including Russell Tandy & Rudy Nappi
Year:  1959
Publisher:  Grosset & Dunlap Publishers
Length: 182 Pages
Dimensions: 5.25" wide by 7.5" tall
Condition:  Minor cover and spine wear noted especially around the edges.  No writing, torn or missing pages noted. This edition is very clean - tightly bound.  There is a name & address sticker on the inside cover.