Vintage Hardy Boys Mystery Book Lot Franklin W. Dixon Mixed Editions 20+ Books

Step back into classic mystery adventures with this vintage Hardy Boys book lot by Franklin W. Dixon. This collection includes over 20 hardcover titles, spanning different print years and cover art styles. These collectible editions feature the iconic blue spines and illustrated dust jackets — perfect for nostalgic readers or collectors of mid-century children’s literature. Included Titles (selection): • The Missing Chums • The Secret of the Old Mill • The Mystery of the Chinese Junk • The Secret of Skull Mountain • The Secret of the Caves • The Hidden Harbor Mystery • The Haunted Fort • The Jungle Pyramid (#56) • The Witchmaster’s Key (#55) • The Mystery of the Whale Tattoo • The Clue of the Hissing Serpent • The Shattered Helmet • The Short-Wave Mystery • The Mark on the Door • Hunting for Hidden Gold • The Sinister Sign Post • The Secret Agent on Flight 101 • The Secret of Pirates’ Hill • The Clue in the Embers • The Mystery of the Desert Giant • The Hardy Boys Detective Handbook