Hardy Boys Adventures: 20 Mystery-Filled Books Boxed Set (with Bonus Bookmark)

Join Frank and Joe Hardy for nonstop thrills in the Hardy Boys Adventures: 20 Mystery-Filled Books Boxed Set! This action-packed collection includes 20 exciting paperbacks from the bestselling Hardy Boys Adventures series, featuring dangerous secrets, missing treasures, and mysterious crimes that only the Hardy brothers can solve.

From small-town conspiracies to international intrigue, each story delivers fast-paced suspense and clever detective work that keeps readers turning pages late into the night. Perfect for mystery lovers ages 8–12, this epic collection also includes a bonus collectible bookmark—the perfect companion for every junior sleuth.

Books Included:

1. Secret of the Red Arrow
2. Mystery of the Phantom Heist
3. The Vanishing Game
4. Into Thin Air
5. Peril of Granite Peak
6. The Battle of Bayport
7. Shadows at Predator Reef
8. Deception on the Set
9. The Curse of the Ancient Emerald
10. Tunnel of Secrets
11. Showdown at Widow Creek
12. The Madman of Black Bear Mountain
13. Bound for Danger
14. Attack of the Bayport Beast
15. A Con Artist in Paris
16. Stolen Identity
17. The Gray Hunter’s Revenge
18. The Disappearance
19. Dungeons & Detectives
20. Return to Black Bear Mountain

Solve crimes, uncover hidden plots, and explore new dangers with this must-have boxed set for Hardy Boys fans and collectors alike!

Features:

• Includes 20 paperback books from the Hardy Boys Adventures series
• Comes with a bonus collectible bookmark
• Perfect for readers aged 8–12 or fans of detective and mystery fiction
• Packed with thrilling mysteries, danger, and suspense
• Ideal for gift-giving, classroom libraries, or collectors