3 1960s Nancy Drew Mystery Stories Hardcovers 44 45 46. This lot includes:

• (1) 44 The Clue In The Crossword Cipher. This was published in the year 1967.
• (1) 45 The Spider Sapphire Mystery. This was published in the year 1968.
• (1) 46 The Invisible Intruder. This was published in the year 1969. Has some handwriting on the first page that bleeds through a few pages.

Each book is approx 5" x 3/4" x 7 1/2" and the total weight is 1.75lb. The books were published by Grosset & Dunlap and were written under the pseudonym of Carolyn Keene. The covers have shelf wear.