The Secret of the Old Clock is the mystery that began it all for America's favorite teenaged slueth, Nancy Drew. Originally published in1930, it tells the story of how an accidental rescue of a little girl who lives with her two great-aunts leads to an adventurous search for a missing will. For readers ages 8 to 12, this original Nancy Drew mystery is a 180 page hardcover book, 0.74 inches high by 7.56 inches long by 5.12 inches wide. The detective tale ws written by Mildred Wirt, who was the first of several authors to use the pen name Carolyn Keene for the classic Nancy Drew Mystery series. Nancy Drew stories have captivated young readers for decades and still make great gifts for kids today. Written for kids ages 8 to 12 years old.