The Mystery of the 99 Steps
Nancy Drew investigates a puzzling case involving a coded message and a secret staircase that leads her to uncover hidden treasure and solve a family mystery.
mystery | 176 pages | Published in 1966
Nancy Drew investigates a puzzling case involving a coded message and a secret staircase that leads her to uncover hidden treasure and solve a family mystery.
mystery | 176 pages | Published in 1966
