Franklin W. Dixon

Good overall condition

Few marks on edge of pages - see pictures

#3 has some sticker residue on bottom corner of outside cover - can be removed with some elbow grease 

1 - The Tower Treasure

3 - The Secret of the Old Mill

5 - Hunting for Hidden Gold

8 - The Mystery of Cabin Island

9 - The Great Airport Mystery

10 - What Happened at Midnight

12 - Footprints Under the Window

14 - The Hidden Harbor Mystery

15 - The Sinister Signpost

16 - A Figure in Hiding