Hardy Boys 19-Book Hardcover Lot Glossy Blue Spine Mystery Set Franklin W. Dixon

Get ready for adventure with this 20-book collection of classic Hardy Boys Mystery Stories by Franklin W. Dixon! These are the modern glossy blue-spine hardcover reprints published by Grosset & Dunlap—a must-have set for fans of retro mystery fiction and young sleuths alike. Included titles (with series numbers): 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 Secret of the Caves (#7) 8. The Mystery of Cabin Island (#8) 9. The Great Airport Mystery (#9) 10. What Happened at Midnight (#10) 11. While the Clock Ticked (#11) 12. Footprints Under the Window (#12) 13. The Mark on the Door (#13) 14. The Sinister Signpost (#15) 15. The Phantom Freighter (#26) 16. The Ghost at Skeleton Rock (#37) 17. Mystery at Devil’s Paw (#38) 18. The Mystery of the Chinese Junk (#39) 19. The Witchmaster’s Key (#55) Condition: All books are in very good to gently used condition. Glossy covers show minor shelf wear. No torn pages or major markings. Perfect for collectors, homeschoolers, or young readers. Keywords: Hardy Boys book lot, vintage mystery stories, Franklin W. Dixon, Grosset & Dunlap, teen detective novels, kids chapter books, glossy hardcover reprints, mystery adventure books for kids, retro collectible book set.