Lot of 12 Hardy Boys mystery books and 1 Hardy Boys Detective Handbook.
book #3 has a small edge tear to one of the pages.
book #6 has a name written inside and an edge tear to one of the pages.
books #22 and #43 have some cover wear but the pages are good.
Titles included:
1. The Tower Treasure #1
2. The House on the Cliff #2
3. The Secret of the Old Mill #3
4. The Missing Chums #4
5. Hunting For Hidden Gold #5
6. The Shore Road Mystery #6
7. The Mark on the Door #13
8. The Flickering Torch Mystery #22
9. The Secret of Wildcat Swamp #31
10. The Mystery of the Aztec Warrior #43
11. The Haunted Fort #44
12. The Secret Agent on Flight 101 #46
13. The Hardy Boys Detective Handbook