哈迪男孩刺激冒险系列 适合有英文基础喜欢冒险故事的男孩，AR大概4.6-6.3Age Range: 8 - 12 years
Grade Level: 3 - 7
Lexile Measure:600-750L
Hardy Boys Adventures, Book 1-23
By: Franklin W. Dixon
Narrated by: Tim Gregory
Unabridged Audiobook
Release date: 06-22-21
Language: English
目录：
01：Secret of the Red Arrow 02：Mystery of the Phantom Heist 03：The Vanishing Game 04：Into Thin Air 05：Peril at Granite Peak 06：The Battle of Bayport 07：Shadows at Predator Reef 08：Deception on the Set 09：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 21. A Treacherous Tide 22. Trouble Island 23. Mystery on the Mayhem Express
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